Michał Krzyżanowski

Advanced Data Analytics Competence Center Manager, ASTEK Polska

Michał has over 15 years of experience working with Data and Analytics. During this time he worked mostly for telecommunication and healthcare industries.

At Astek is responsible for managing a team of over 200 consultants helping clients get the most out of their data. As Competence Center Manager is responsible building competences in Advanced Data Analytics area. His team consists of Solution Architects, Data Engineers, Data Scientists, DevOps, MLOps and Cloud Experts involved in building AI systems, data platforms, data warehouses and BI solutions and supporting companies in cloud adoption.


Ewelina Kamińska

Centre of Expertise - AI, ING Bank Śląski

Graduate from Warsaw School of Economics. Currently a data scientist in Center of Expertise - Artificial Intelligence at ING Bank Śląski SA. Working on improving the understanding of AI in the organization, ensuring an optimal and scalable ML environment, and creating ML solutions for various stakeholders.


Mats Stellwall

Principal Sales Engineer, Data Science, Snowlflake

Mats is working at Snowflake as a Principal Sales Engineer where he advises customers on Data Science with Snowflake. He has been working with analytics and information centric systems since the mid nineties in various roles.


Dawid Głowacki

Head of Presales and Professional Services, MDSap

Dawid is an architect of customer solutions at MDSap. He has a wide and deep experience in different technologies and industries, helping companies to innovate in their digital transformation journey by unlocking the potential available in the data they have. Customer-oriented with the ability to engage the key customer stakeholders including both business and IT teams together. A big fan of Data Management, Warehousing and Big Data as well as customer workshops, kickoffs and interviews.


Krzysztof Adamski

Technical Lead for Data Analytics Platform, ING Hubs Poland

Enables companies to make use of data to fuel their product strategies. Closing the gap between IT infrastructure teams and business initiatives. With the experience in high frequency trading business, migrating Spotify biggest analytics cluster to the public cloud and rebellious heart, he finally landed yet again at ING as he believes there is an untapped potential in the financial sector. Speaker at multiple conferences Big Data Tech, Kubecon, Apache Big Data, DataWorks Summit.

Kornel Skałkowski

Senior Data Scientist, GetInData

Kornel Skałkowski graduted Computer Science at AGH University of Science and Technology in 2010, in 2015 he was promoted to PhD at the same university, the thesis was related to applied machine learning. In the course of his career Kornel Skałkowski worked for companies such as SAP SE, IG or Novomatic. The projects he participated in, included areas such as consumer behavior forecasting, games of chance results prediction or Apache Spark framework adaptation. Currently, Kornel Skałkowski works for GetInData as a Senior Data Scientist, where he takes part in projects involving natural language processing. In his free time, he likes hiking, cycling and reading books.

Mariusz Koprowski

Big Data Group Director , Adform

Mariusz works as a Big Data Group Director in Adform, advertising technology company. Over the years he had the pleasure to design and develop software for many different clients. Also, he has an opportunity to manage mid size teams of specialists in various areas (software development, IT Support, Business Intelligence and R&D). Currently his career path is focused on team and people management with addition of Enterprise IT Architecture (with specialization in business intelligence and data architecture). This way Mariusz can use his experience not only in software designing & development but also in people management.



Paweł Potasiński

Senior Program Manager, Microsoft

Member of the Azure Synapse Analytics product team, focused on community management and engagements. In his professional career Pawel has always been associated with data engineering and analytics (SQL, BI, Big Data). Founder of the Polish SQL Server Users Group (PLSSUG), today known as Data Community Poland. For his contribution to IT communities Pawel has been multiple times awarded with Microsoft Most Valuable Professional (MVP) title.



Michał Szymczyk

Senior Data Scientist, GetInData

Michał works as Senior Data Scientist at GetInData, where he helps clients get the most value from their data. He has over 10 years of experience working for the largest telecoms in Poland. Since 2015, he has been involved in many projects related to data analytics and building predictive models. Michał holds a PhD in computational mechanics and applied mathematics.


Dan Buzarnescu

Solution Architect, Databricks

Dan Buzarnescu, as a Solution Architect, is supporting some of the largest customers in Eastern Europe with their data analytics journey. Previously to Databricks, Dan was working as Data Scientist or Data Engineer in financial services, gaming and telco sector.


Michael Gregory

Principal Data Platform Architect, Field CTO Office, Snowflake

Michael is the tech lead for the machine learning team in the Field CTO office, where he helps organizations leverage the power of Snowflake to build mature, enterprise-grade data science and machine learning capabilities. Prior to joining Snowflake, Michael held leadership positions in AI and ML go-to-market at Amazon Web Services and Cloudera, and has deep experience in bringing ML products to market and building high-powered technical sales teams. Michael leverages more than 20 years experience (including Sun Microsystems, Oracle, and Teradata) in designing, building, selling, and architecting data and analytics solutions to help organizations leverage the power of data to build communities. Originally from Denver, Colorado in the United States, Michael also has extensive international experience, having lived and worked across Europe for much of the last 17 years. Michael's academic background started in technology (computer science, mathematics, and physics) and includes an MBA degree focused on transformation and leadership of tech companies.


Rafael Massei

Senior Product Marketing Manager, Snowflake


Petr Zacek

Managing Consultant, Ataccama



Maryna Zenkova

Data Platform Associate, Point72

Graduate from University of Warsaw, Quantitative Finance Master Program. Have 5+ years of experience in DataTech. Currently taking the role of Business Analyst in Point72 Data Engineering team working on internal and external data pipelines within the AWS dataplatform.

Ewa Gruszka

Customer Engineer, Google Cloud Poland

She helps the largest enterprises in their digital transformation to the Google cloud through the adoption of solutions in the areas of Data, Analytics and Machine Learning.
Previously, for many years associated with the Telecommunications sector, where she was involved in extensive customer analytics, as well as building and implementing models used for predicting user behavior. Then, together with IBM Polska supported companies from multiple industries in the use and monetization of knowledge hidden in data.



Michał Żyliński

Cloud Customer Engineering Manager, Google Cloud Poland

At Google, Michał leads a solution architect team helping customers and partners utilize cloud to its fullest potential. He's passionate about the impact of information on business and social processes and used to work as a consultant on many projects related to big data, machine learning and data science.


Radosław Stankiewicz

Data SCE at Professional Services Organization, Google Cloud Platform, Google Cloud Poland

Radek joined Google in September 2018 as the Data Strategic Cloud Engineer in Professional Services Organization at Google Cloud. Prior to Google, Radek spent 10+ years working with startups, enterprises, pharma, fintech and the public sector helping with data analytics, hadoop based development and integration.


Saveen Reddy

Group Product Manager – Azure Engineering, Microsoft

Saveen Reddy is a Group Product Manager in Azure Engineering. He leads a team focused on enabling developers to be productive with the big data ecosystem. Since joining the company in 1996, he's helped build to a wide variety distributed systems focusing on communications, security, ERP, and Big Data.

Rob Keevil

Data Analytics Platform Lead, ING Banking Technology Platform, ING


Grzegorz Puchawski

Managing Director of Data Science and Recommendations, Disney Streaming Services

Data Scientist / Machine Learning Engineer at OpenX. I analyze data for e-commerce companies from 2009 using it to solve real business problems. My toolbox contains TensorFlow, Python, Hadoop, Spark, and all data processing tools on the Google Cloud Platform. I have no fear of petabytes scale datasets and low-latency. Previously, I was a part of research teams in Allegro and Onet.pl


Konrad Hoszowski

Technical Account Manager, Ab Initio Software

For several years professionally associated with the IT industry. Co-creator of one of the first "cloud" Machine to Machine platforms. Architect of mobile payment systems implemented, among others in Iraq, Iran, Afghanistan, Thailand. Currently at Ab Initio Polska, he is responsible for contacts with clients, recommendation and planning of technical solutions.


Simon Brugman

Data Scientist, ING WBAA

Simon is working as Data Scientist at ING WBAA, where he is part of the popmon development team which we are presenting this summit. Moreover, Simon is an active open-source contributor (most notably creator of pandas-profiling).


Max Baak

Chief Data Scientist, ING WBAA

Max Baak is chief data scientist at ING Bank’s Wholesale Banking Advanced analytics department. He has a long background in particle physics, doing research at CERN and Stanford (14 years). Before joining ING in 2019 he led the Advanced Analytics & Big Data team at KPMG The Netherlands, doing data science consultancy (4 years).

Tomasz Waleń

ING Tech Poland

Piotr Kalański

Manager of Data Analytics & BI, TrueBlue

Piotr has around 10 years of professional experience in the areas of Cloud, Data Management, Data Warehousing, Big Data, and Data Science working in several organizations. In his professional career, he served multiple roles: software engineer, business analyst, consultant, team leader, architect, and development manager.

Bartosz Janota

Senior Data Engineer, Bolt

Bartosz joined Bolt (in Warsaw, Poland) a little bit more than a year ago. He works in a team responsible for data ingestion and transformations - as a part of Bolt Data Platform, built on top of AWS. Before that, right after graduation, he moved to Stockholm, Sweden, where he worked at Spotify at the Data Infrastructure department for more than three years. Bartosz first worked in a team building event delivery pipeline (hundreds of terabytes of data daily), later on he joined a team responsible for Spotify users' and data privacy, infra was built on top GCP.

Albert Lewandowski

Big Data DevOps Engineer, GetInData

Albert Lewandowski works as a Big Data DevOps Engineer at GetInData and is Certified Google Cloud Architect and Kubernetes Administrator. His day to day work involves creating Infrastructure as a Code, creating CICD pipelines, managing monitoring systems, deploying or moving applications to Kubernetes, manage data pipelines in AWS or Google Cloud and analyzing data. In addition to daily tasks, Albert works with Machine Learning pipelines for mobile apps and processing satellite data.

Monika Puchalska

Engineering Manager, Zendesk

Engineering Manager at Zendesk. Has over 14 years of commercial experience, including 5 years in leadership positions. She started her adventure with BigData over 7 years ago and since then took part in projects related to data engineering, data science and machine learning. She has experience in building and leading a diverse and distributed team.

Jacek Laskowski

IT freelancer

Jacek Laskowski is an IT freelancer specializing in Apache Spark, Delta Lake and Apache Kafka (with brief forays into a wider data engineering space, e.g. Trino and ksqlDB, mostly during Warsaw Data Engineering meetups).

Przemysław Biecek

Founder, MI2.AI
Vice-Dean for Research and Development, Warsaw University of Technology

Researcher with 15+ years of experience in machine learning and predictive modelling. The main area of interest is responsible artificial intelligence, that is tools and methods related to safety, transparency and fairness of ML solutions. Lead developer of DrWhy.AI family of open-source solutions for MLOps.

Mateusz Fedoryszak

ML Engineer, Twitter

Mateusz is an ML Engineer at Twitter. He works on understanding what people are tweeting about: currently by the topic classification, earlier by the automated event detection. Before that he was analysing terabytes of scientific papers, looking for word boundaries in scriptio continua and leveraged data to guess how much milk a cow would produce. Big fan of logistic regression, kNN and pretty charts. Formerly at ICM University of Warsaw, Microsoft and True Knowledge (now Amazon).

Tomasz Żukowski

Data Analyst, GetInData

Tomasz gained experience during his work in logistics, medical services and IT (consumer apps). As a data analyst Tomasz was building repots by means of Microsoft Excel and VBA. Tomasz has been working with SQL and Python. Currently he is taking care of analyzing Big Data by using Hadoop ecosystem, Python and R. As a hobby, he enjoys taking part in Kaggle competitions.

Arkadiusz Jachnik

Solution Architect, BAE Systems Applied Intelligence

Arkadiusz Jachnik is a Solution Architect at BAE Systems Applied Intelligence where he is responsible for development of Big Data systems and architecture of Advanced Analytics Platform - machine learning solutions in the area of financial crime detection. Previously, he worked as a Senior Big Data Engineer at Agora S.A., where he was responsible for the user profiling system and the recommendation system. He received his BSc and MSc in Computer Science at the Poznan University of Technology. Arkadiusz Jachnik is an author and coauthor of several machine learning publications and a speaker and participant in numerous conferences on Big Data.

Simon Caruana

Senior Solutions Design (Tesco Bank)

Worked in data engineering at a Stock Exchange, Telecoms, Amazon and top 100 Uni prior to Tesco Bank. Now moved to all round solution design, of which data continues to be an integral part in all successful businesses. 

Maciej Paliwoda

Solution Engineer, Vertica

Architect of innovative solutions with 20 years of experience in IT and IT Consulting. From the very beginning of his career he was on the vendor’s side.
He gained his knowledge implementing new technologies, in particular in the area of Big Data and Predictive Analytics, in projects both at Poland and abroad. For over 3 years a big fan of VERTICA analytical platform. Enthusiast of R language. A graduate of the Faculty – Technical Physics and Applied Mathematics at Warsaw University of Technology.

Juliana Araujo

Senior Product Manager, Spotify

Juliana is a product leader passionate about data storytelling and has 8+ years of experience leading analytics teams to build data-driven products. She is experienced in building data platforms products and services and managing big data projects and teams. She is a diversity and inclusion advocate, CEO, and Founder of Beela.se and is currently writing her Master Thesis on IT Project Management with a focus on gender-biased IT project outcomes.

Łukasz Grzeszczyk

Head of IT Perm Recruitment, Key Accounts Director, Hays Poland

Labour market expert with 15 years of experience in IT recruitment. At Hays he is overseeing the delivery of individual and volume permanent recruitment projects for IT positions in Poland. As Key Accounts Director he is responsible for contacting new investors, who consider opening or expanding their business in Poland. A graduate in Political Science and Psychology of Work and Stress. He also completed postgraduate studies in Human Resources Management at Kozminski’s Academy and Job Appraisal / Assessment and Development Centre at the SWPS University.

Wioletta Stobieniecka

Analytical Consultant, SAS

Data Scientist with over 6 years of experience, an open mind and a deep passion for solving real-world problems using advanced statistical and machine learning tools. Expert in statistical learning methods theory and practice. Analyst with extensive experience in fraud analytics with major focus on building predictive models for such sectors as banking, insurance, telco and public. For almost two years engaged in computer vision related projects applying both classical and deep learning techniques. Boasts exposure to both open source and commercial software (Python, SAS, R, Oracle). Currently immersed in a deep dive into healthcare.

Krzysztof Gawronski

AppDynamics, Cisco Architect for the EMEA region, Cisco

Krzysztof is responsible for architecting and supporting AppDynamics solutions for customers across Europe and the Middle East. Prior to AppDynamics, Krzysztof worked for CA Technologies APM SWAT team, Microsoft Services, and Sun Microsystems.

Kiryl Halozhyn

Solutions Engineer, Cloudera

Kiryl is a Solutions Engineer at Cloudera responsible for technical excellence of the largest companies in Eastern Europe on their big data and analytics journey. He joined Cloudera in 2020 and since that time he has already helped a lot of customers develop and implement Big Data strategy and use cases. Prior to joining Cloudera Kiryl has been working in the EY assisting various companies in building their data analytics platforms.

Tomasz Mazurek

EEA Sales Director, Snowflake

Sales Director for the Eastern European market in Snowflake with over 14 years of field experience in IT sales. He developed his skills by working for such suppliers as Oracle, Microsoft, AWS, and Qlik. Tomasz is focused mostly on cloud and analytics solutions. He believes that in the near future, data management in enterprises will be based primarily on a public cloud. He has decided to work for Snowflake, as he is convinced that the Snowflake data platform is the best answer for current market needs.

Piotr Pietrzkiewicz

Senior Sales Engineer, Snowflake

Throughout his career, Piotr worked with companies like Amazon Web Services and Atos IT Services in various roles. During that time, he supported both private and public cloud customers. Over 10 years of hands-on experience in transforming and migrating obsolete architectures into modern resilient solutions. In Snowflake Piotr assists customers on their way towards efficient data warehousing.

Jacek Kaszuba

Solution Architect, Clarite Polska

A graduate of the SWPS University.

In 2010-2011 was responsible for creating an IT system measuring the effectiveness of training courses.
Between 2012 and 2018 was responsible for the maintenance and development of IT infrastructure, as part of cooperation with an insurance multi-agency.

In 2018, he led a project that resulted in the first successful implementation of Informatica Axon Data Governance in the Polish branch of an international bank. In 2019, he was part of the team responsible for implementing the GDPR-compliant customer data depersonalization system, based on ETL and MDM solutions in one of the largest Polish banks.

From 2020 as an solutions architect at Clarite Polska S.A. is also an outstanding specialist in projects that use RPA and ETL solutions to optimize the work and data flows used in organizations. He co-creates a system that uses artificial intelligence to facilitate the use of data governance tools for business users.

His free time is filled with his little daughter and two hyperactive Shetland Sheepdogs. He loves searching for new recipes and conducting home cooking experiments.

Mariusz Olszewski

Analytics & Automation Director, Clarite Polska, Member of the HR Data Club Program Council, Member of DAMA Poland Chapter

A graduate of the Warsaw University of Technology. IT manager with 20 years of experience in data management, data analysis and business process automation.

In 1997-2004 he worked as a data warehouse consultant at Sybase Polska. In the years 2004 - 2018 he was involved in work for Ascen, where he supervised the implementation of data warehouse, data flow and quality management projects in large organizations such as PGNIG S.A., NFZ, MSW, PZU S.A., Warta S.A.2018-2019 is the time of managing the technical team of Integral Solutions Sp. Zoo. and implementation of Informatica tools supporting data management in institutions such as BNP Paribas Bank Polska S.A. or Konica Minolta Business Solutions.

From December 2019, as the director of the Analytics and Automation department at Clarite SA, he is responsible for project management related to data management and advanced data analysis. The main clients of Clarite SA are companies from the energy sector, such as: PGNIG SA, Tauron SA, Polska Spółka Gazownictwa sp. Z oo, GAZ-SYSTEM SA

Privately - he loves to play tennis and he is passionate about oldtimer cars.

Piotr Kramek

Data Science & Engineering Team Leader, SAS

For the last 10 years, Piotr has been supporting companies in getting valuable insights from data and making data-driven decisions. His experience comes from applying advanced analytics across multiple industries in areas spanning from supply chain optimization and fraud detection to business intelligence and machine learning in health care. Piotr is a passionate technology enthusiast both professionally, when applying data science to tackle challenging problems, and in private life in areas such as home automation and 3d printing.

Josef Habdank

Principal Solution Architect for BigData Analytics & Engineering, North & Central Europe,  DXC Luxoft

Josef Habdank is an expert in designing advanced analytics platforms for large scale enterprises. He is currently working on two very distinct types of projects: extreme throughput systems for self-driving cars, and extreme complexity systems for enterprise data lake management. He is a long term champion of Apache Spark and other open source technologies, frequent speaker on large event such as Spark Summit.

Piotr Menclewicz

Data Analyst, GetInData

Piotr helps companies to make better and more data-driven decisions. So far he’s been mostly focused on big data analytics, reports automation and data visualisation but he keeps pushing to get more and more hands on experience with ML technologies. Passionate about teaching and making things work more effectively.

Borys Sobiegraj

Head of Advanced Analytics, GetInData

Borys works on helping companies build a data driven perspective on and specific solutions for businesses. Whether this is a startup, grow up or corporation he helps: define clients’ directions, drives translation of business problems to technical problems, aligns clients with diverse delivery teams, builds analytical products (ML models, dashboards, applications), creates and delivers training. He has over 10 years of experience working with diverse business sectors (banking, insurance, pharma, retails, production, distribution), with different national cultures, from both inside the companies and as consultant, trying to help bridge the gap between people and potential of data products. Borys holds master's degrees in Applied Physics from Warsaw University of Technology

Taras Bachynskyy

AVP Technology, SoftServe

Together with my team of architects, consultants and top-notch experts in Big Data, AI, Analytics and IoT, we drive innovations, implement data strategies and facilitate adoption of cutting-edge technologies for a different range of organization from startups to enterprises (including Fortune 100 companies) in North America, Europe, Middle East and APAC. As a Solution Leader, I have extensive experience in R&D, design and implementation of enterprise-scale decision support systems, including operational intelligence and advanced analytics solutions for organizations from different business domains, including Retail, Manufacturing, Mining, Energy, BFSI.

Piotr Zawada

Senior Pre-Sales Solutions Architect, SAS Institute

Piotr Zawada has been with SAS for over 9 years. He has holistic experience with working on several projects focused on fraud management solutions not only as a technical expert but also as an architect and originator of new algorithms for complex, multi-million-node network analysis. He also has academic experience and interest in modeling and solving optimization problems.

Piotr Kaczyński

Senior Business Solutions Manager, SAS Institute

Piotr Kaczyński is responsible for business development in the area of analytics and system integration, also at the interface between SAS and open source tools. For almost 8 years, he conducted research on the convergence of linearization algorithms for stochastic processes. Since 2003, he has been associated with analytics through the practical use of predictive modeling for forecasting in the energy sector. He also participated in projects in the field of data mining, BI and forecasting for sea transport. His main interest is artificial intelligence and operationalization of analytics in production environments using ModelOps methodology.

Marcin Bodych

Software Researcher and Data Sciencist, MOCOS Group

Dr Johannes Bracher

Postdoctoral Researcher at Heidelberg Institute for Theoretical Studies (HITS) and Karlsruhe Institute of Technology (KIT)

Johannes Bracher is a postdoctoral researcher in applied statistics at Karlsruhe Institute of Technology and Heidelberg Institute for Theoretical Studies, Germany. He holds a PhD in Biostatistics from the University of Zurich, Switzerland. Currently he is involved in running collaborative COVID19 forecasting projects in the US, Poland and Germany.


Dr Franciszek Rakowski

Project Manager, ICM University of Warsaw

In 2005-2017 an researcher at Ineterdisciplinary Centre of Mathematical and Computational Modeling of University of Warsaw. In his work, he dealt with: molecular dynamics of biomolecules, influenza epidemics, neurocognitive science and artificial intelligence. In 2017-2020, he worked at the Samsung R&D as data science principal specialist in the AI team. He is currently the lead manager of the ICM epidemiological project aiming at forecasting and analysing the COVID-19 epidemic.


Alex Belotserkovskiy

Technical Lead for Strategic Partners & Startups in Microsoft Russia and CIS, Lead of Open Source Community in Microsoft

Working on the complex cloud and on-premise architecture engagements with focus on the Open Source, High Performance Computing and IoT. Previously, worked as a Technical Evangelist, responsible for creating and developing the Microsoft developers ecosystem.


prof. Tyll Krüger

Founder, MOCOS

Professor in the Department of Electronics at the Wrocław University of Science and Technology. Professionally, he deals with mathematical modelling in medicine and biology, stochastic processes, complex networks and dynamic systems. A graduate of the Humboldt University in Berlin, he received his doctorate at the University of Bielefeld.


Konstantin Knauf

Staff Product Manager, Ververica

Konstantin supports multiple product teams working on Apache Flink, Stateful Functions and Ververica Platform in both feature discovery as well as delivery. He is currently focusing on Stateful Functions, the youngest project of the Apache Flink family. Previously, he has been leading the solutions architecture team, helping our clients as well as the Open Source community to get the most out of Apache Flink.

Konstantin has studied Mathematics and Computer Science at TU Darmstadt specializing in Stochastics and Algorithmics.


Michał Bochenek

Head of Architecture, 3Soft

Cloud computing and BigData hothead with special curiosity around possibilities of migrating existing data enginerring, data analytics, ML, AI and other solutions to cloud-native services. IT architect, dealing with designing and implementing solutions connected with, based on and related to MS Azure, AWS, Apache Hadoop (mostly Cloudera), along with classical IaaS, PaaS and SaaS solutions. Silesian University of Technology graduate with M.Sc. in Computer Science. Middleware, BigData and Web applications systems specialist (deployed on-prem, in the cloud and in hybrid environments), especially in financial (fintech) and retail branches of business.


Kamil Pochodaj

Senior Solutions Engineer, Cloudera

Kamil is a Senior Solutions Engineer at Cloudera. He joined Cloudera in 2018, and since that time he has been actively involved in supporting leading organisations in Central and Eastern Europe on their big data and analytics journey. Prior to joining Cloudera Kamil had been working for more than 15 years as a consultant on various leading-edge projects in the data and analytics space.


Kamil Folkert PhD

Chief Technology Officer, 3Soft

Responsible for the analysis of technological trends and the application of the latest technologies in projects implemented at the edge of IT and business.
He has many years of experience in designing and implementation of Big Data architectures with special focus on automation of advanced analytics (including deep learning) at scale.


Michal Karykowski

Data Platform Engineer, Allegro

In my daily work I combine dev and ops skills. I try to make the world of bigdata simpler for users and take as much positive experiences from the world of applications as possible.

Timo Walther

Staff Engineer, Ververica

Timo Walther is a committer and PMC member of the Apache Flink project. He studied Computer Science at TU Berlin. Alongside his studies, he participated in the Database Systems and Information Management Group there and worked at IBM Germany. Timo joined the project before it became part of the Apache Software Foundation. Today he works as a senior software engineer at Ververica. In Flink, he is mainly working on the Table & SQL ecosystem.

Philipp Drieger

Principal Machine Learning Architect, Splunk 

Philipp Drieger works as a Principal Machine Learning Architect at Splunk. He accompanies Splunk customers and partners across various industries in their digital journeys, helping to achieve advanced analytics use cases in cybersecurity, IT operations, IoT and business analytics. Before joining Splunk, Philipp worked as a freelance software developer and consultant focusing on high performance 3D graphics and visual computing technologies. In research, he has published papers on text mining and semantic network analysis. 

Xuan Yin

Senior Staff Data Scientist, Causal Inference and Experimentation, Udemy

Xuan leads causal inference and experimentation work at Udemy. Previously, he worked as a senior scientist at Etsy for a few years. As an industrial researcher, he focuses on leveraging causal inference to support e-commerce machine learning production. He received his PhD in Economics and MS in Mathematics from the University of Illinois at Chicago.

Stefan Konopnicki

Head of Data Services & Operations, OLX Group (in Poland: Grupa OLX Sp. z o.o.)

Experienced manager leading data team, which enables analysts to derive insights fuelling product enhancement and business decisions. Working for fast-growing internet business using cutting edge tech stack to build platforms for buying, selling, and exchanging products and services, used by 300 million people every month.
Passionate to work with data hands-on and from architectural perspective, using various technologies, cloud providers and frameworks for the last 4.5 years at OLX Group and past 14.5 years in well-known FMCG companies.

Piotr Guzik

CEO and Co-founder, Datumo

Piotr's passion is all about creating useful software. In love with DDD and Apache Druid. He was speaking in multiple conferences like Scalar, Big Data Tech, GeeCon, Confitura and years ago also in Devoxx. Piotr has been awarded best speaker in Data Science and Analitycs path in previous Warsaw Big Data Tech event.

Rafał Zalewski

Senior IT Project Manager / Scrum Master, GetInData

Over 12 years' experience in IT Project Management and Software Development. Certified Agile Project Management AgilePM® Practitioner, Professional Scrum Master™ , Professional Scrum Product Owner™, PRINCE2® in Project Management, ITIL® 4 in IT Service Management, AWS Certified Solutions Architect Associate. Leading multicultural teams in various countries in delivering a solution to the customer using the appropriate business measurements and terms and conditions for the project. Very good organizational and leadership skills, the ability to understand complex information and assess requirements, good understanding of business demands.
Experience in managing projects in various sectors ie. financial, banking, pharmaceutical and logistics.

Rafał Małanij

Business Executive, GetInData

Rafal is tech enthusiast who was always amazed by data and what insight we can get out of it. He started his career in IT over 13 years as tech data warehousing guy, then moved to Project Management and Business Development. Right now he is involved in Big Data/Analytics and Cloud projects.

He was involved in organisations of the first DevOps Days Warsaw in 2014. Since then, Rafał is a member of Programme Committee of this conference (and many others in Cloud native field). He was involved in setting up PyData Warsaw meetup and he is a chairman of PyData Warsaw Conference. Personally, Rafał is interested in technology with the focus on Cloud Computing, DevOps, Data Science/Machine Learning and Genomics.


Eftim Zdravevski

Chief Architect, CogniTrek Corp.; Founder and CEO, MAGIX.AI; Assistant Professor, Saints Cyril and Methodius University

Currently works as Chief Architect at CogniTrek Corp. He’s also a Founder and CEO of MAGIX.AI - a company specialized in applied AI in FinTech, AdTech, and E-commerce. Previously he was CSO and board member at Viking Analytics Sweden and Director of Machine Learning at Xogito, USA. . He has participated in or led national and international research projects related to time series analytics, feature engineering and selection, and application of ML in various domains. He also is an Assistant Professor at the Faculty of Computer Science and Engineering of the Saints Cyril and Methodius University in Skopje, Macedonia, where he works since 2010. During his research career, he has published over 100 papers in peer-reviewed international conferences and top-ranked journals, including Applied Soft Computing, Expert Systems with Applications, Remote Sensing, JMIR, PLoS ONE, IEEE Access, Computer Science Review, Biology, Sensors, Applied Sciences, among others. His research interest areas are FinTech, Big Data, machine learning, cloud computing, time series analysis and forecasting, etc.

Babu Repaka


Babu Repaka has been working in the industry for more than 19 years and in ERP (Peoplesoft) & Business Intelligence Applications / Data warehousing space for 15 plus years. In his various roles in the capacity of developer to BI Solution architect and manager, he has directly led teams for over 10 years. Several of his projects have been end to end ERP-Peoplesoft, BI and Data Warehouse implementations where he was engaged in Assessment, Solution Conceptualization, Requirements Analysis, Solution Design and Architecture, Configuration, User Testing and Deployment His experience also goes beyond the deployment, as for past one and half years, he led a large ERP-PeopleSoft, Data Warehouse Operations and Production Support team for a real time data warehouse.

Maria Fung

CSU, Data Warehouse Development Lead

Maria is a lifelong learner with a passion for technology and for recent 20 years specializing in data warehousing and business Intelligence solutions

Vladyslav Melnyk

IT Solution Architect AI, PMI

Vladyslav is AI Solution Architect with Full Stack Deep Learning experience, working in PMI as a part of the AI Product team for the last 3 years. He is the owner of global AI Standards and Decision Trees for PMI Enterprise. Focused on enabling R&D, Engineering, and Infrastructure for AI. In love with Applied Deep Learning, MLOps, and DevOps

Wojciech Biela

Co-founder & Senior Director of Engineering, Starburst

Wojciech Biela is a co-founder of Starburst and serves as a Senior Engineering Director. He has a background of over 15 years of building products and running engineering teams. Previously Wojciech was the Engineering Manager at the Teradata Center for Hadoop, running the Presto engineering operations in Warsaw, Poland. Prior to that, back in 2011, he built and ran the Polish engineering team, a subsidiary of Hadapt Inc., a pioneer in the SQL-on-Hadoop space. Hadapt was acquired by Teradata in 2014. Earlier, Wojciech built and lead teams on multi-year projects, from custom big e-commerce & SCM platforms to POS systems. Wojciech holds a M.S. in Computer Science from the Wrocław University of Technology.

Marek Grzegorowski

Lead Solution Architect, Nowa Era

Lead solution architect at Nowa Era, the biggest publisher in Poland and Lead Integration Architect at Sanoma Learning - leading edTech corporation in Europe. For several years associated with the faculty of Mathematics, Informatics, and Mechanics, University of Warsaw, where is working on a doctoral thesis on the interactive feature extraction. Contractor in several machine learning (ML) research grants. Curently Research Director/Principal Investigator in two research grants related to ML. Co-authored several scientific articles. ML expert supporting several technology start-ups. Experienced solution architect in finTech, ecommerce, and edTech domains.

Claudiu Colesnicencu

Software Developer, ING

Claudiu Colesnicencu is a software engineer with a data fetish, focused on delivering platforms and applications with experience in automotive, telecommunications and banking domains.

Subash D'Souza

Director, Cloud Data Engineering, Office of the Chancellor, California State University

Subash leads the cloud data group at the chancellor’s office where he uses his 10+ years of knowledge in the cloud to help with CSU’s transition to the cloud. He is an Data Evangelist. He is the founder and organizer of Data Con LA formerly known as Big Data Day LA, a data conference based in Sunny Southern California. He is also the founder for Data 4 Good, a public entity using data to solve social causes. Subash’s passions lies in building scalable and performant systems.


Dominika Sagan

Data Scientist, Sotrender

Data Scientist in Sotrender, where she is responsible for creation and improvement of existing Natural Language Processing models. She also deals with broadly understood data preparation and analysis. She started her adventure with data science in the Nightly start-up. Obtained both her bachelor and masters degree in the field of Technical Physics at the Warsaw University of Technology.


Lidia Kołakowska

Data Scientist, Sotrender

Data Scientist hired in Sotrender. Military University of Technology and Warsaw School of Economics graduate. She acquired her 4 years of experience mainly by building Social Media data based reports. Python, R and customer service specialist. In her daily work, she loves to focus on data-driven solutions and making a sincere impact on clients’ businesses. Privately - Latin America freak.


Rafał Wojdan

Head of AI, Sotrender

Working on projects applying predictive models, Natural Language Processing and Computer Vision to social media. Previously gained his experience at companies like Allegro, SAS Institute or Groupon. Obtained his bachelor degree in Quantitative methods in Economics and Information Systems at Warsaw School of Economics and masters degree in International Management at Tilburg University. Regularly gives lectures about Machine Learning on postgraduate studies at Warsaw University of Technology and Kozminski University in Warsaw and shares his knowledge on conferences. Occasionally, engaged in advisory roles and conduct Machine learning workshops as a member of Data Science Team at Sages.

Maciej Pieńkosz

Machine Learning Engineer, Sotrender

Maciej is a Machine Learning Engineer, specializing in Natural Language Processing (NLP) and deep learning. He graduated from Warsaw University of Technology and currently have over 6 years of professional experience with NLP and machine learning. Currently working for Sotrender, which is a company that builds a marketing platform for analyzing and optimizing Social Media activity. Previously, worked for Loglab (part of szopi.pl, an online grocery service), Samsung R&D Institute and Deloitte. Have over 5 years of professional experience with NLP and machine learning.


Weronika Gawarska-Tywonek

Data Visualization Specialist, Freelancer

Tableau Desktop Certified Associate with more than 5 years of experience in turning data into insights and useful solutions. Weronika has a professional experience in gathering, analyzing, and visualizing data gained as Market Researcher and Business Analyst. Developed strong theoretical and practical knowledge of data visualization techniques.

Nicolas Correa

IT Manager AI, Philip Morris International

Nicolas Correa holds a Bachelor Degree in Computer Science with more than 10 years of experience within different companies (PwC, IBM, Avaya, Philip Morris International), and has proven success in leading IT projects, software development functions, strategic initiatives, and staff members.
Solid history of success in planning and implementing large-scale enterprise systems focused on fulfilling operational gaps and increasing profitability. Developing high performing teams, and executing assigned projects within timely and budgetary constraints. Strong focus on identifying process improvement, recommending cost-effective solution while driving change and innovation, and skilled in reducing costs, building team’s capacity, improving information flows, and streamlining functions. Throughout his career, he has established a track record of success by leveraging a collaborative leadership style to accomplish all short- and long-range objectives. An engaging and articulate communicator, he is able to clearly convey complex technical information and propose novel solutions to build consensus with key project stakeholders, including high-value clients and executive leadership. Furthermore, his consistent focus on remaining at the forefront of rapidly evolving technology allows him to drive enterprise-wide innovation and maintain a competitive advantage.

Michał Szeja

Team Leader, StepStone Services

Michał Szeja, Data Engineering Team Leader at StepStone Services. Big Data Developer for over 3 years. Experienced in solution design, serverless, near real-time and batch data processing. Focused on empowering Data Science innovative projects. Helps his team understand business, helps business understand his team.

Raya Rizk

Software engineer, Klarna Bank AB

Raya Rizk is a Software Engineer with a passion for data analytics and quality. She has a Master's Degree in Information Systems from Uppsala University in Sweden, and currently works at Klarna Bank AB.

Johan Petrini

Senior data engineer, Klarna Bank AB

Johan Petrini knows a thing or two about what it takes for a company to become truly data driven. He works as a senior data engineer at Klarna Bank AB and has a Ph.D. in Computer Science specialising in Database technology from Uppsala University


10-11th of April 2024


Evention sp. z o.o

Rondo ONZ 1 Str,

Warsaw, Poland



Weronika Warpas

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