Karolina Zak
AI Poland 2025 · Speaker

Karolina Zak

ML Engineer, HEINEKEN | Poland

Talk

AI in Retail: From Forecasting to Conversational Decision Support

A real-world case study on how machine learning models can predict sales using features such as alcoholic and non-alcoholic beverages and weather conditions. The talk will focus on experimenting with and optimizing different model parameters to improve forecast accuracy. As a next step, the system will be integrated with a GenAI-powered chatbot to make forecasts and scenarios easily accessible through natural conversation.

About Karolina Zak

Technology Specialist HEINEKEN, working on Business Intelligence and Machine Learning projects. Previously in fintech, focusing on risk analysis and process optimization. Active speaker – delivers internal AI trainings, as well as lectures at universities and Toastmasters on data and AI in business and technology.

Karolina Zak in action

Learn from the Best Speakers

Assoc. Prof. Aleksandra Przegalińska, PhD

Harvard & Kozminski University | USA

Martin Markiewicz

CEO, SILENT EIGHT | USA

Dr Maciej Madziński

Strategy & Digital Transformation, MBA IT Programme Director, Kozminski University | Poland

Christian Stenzel

Director of Sales EMEA, Tenstorrent | Germany

Tomasz Ducin

Independent Consultant, Architect, Developer & Trainer, Poland

Marta Godzisz

MBA Program Director, PJATK | Poland

Daniel Sogl

Software-Architekt, Thinktecture AG | Germany

Kris Wojewodzic

CEO, Escola | Poland

Christoffer Noring

AI + MCP focused Software Engineer, Microsoft | UK

Sebastian Witalec

Director of Education and Developer Experience, Weaviate | Poland

Younes Jaaidi

Software Development Cook, Teacher & Coach, GDE | France

Przemyslaw Wiktor Pardel

Assistant Professor, Scientist & Inventor, Solution Architect, University of Rzeszow | Poland

Marcin Dziedzic

Senior Node.js + React + AI Agents Developer, 7N | Poland

Nir Kaufman

Tech Lead, Full-stack AI Engineer, GDE, Tikal | Israel

Karolina Zak

ML Engineer, HEINEKEN | Poland

Matthew Podwysocki

Staff Engineer, Mapbox | USA

Rainer Hahnekamp

Trainer and Consultant, AngularArchitects.io | Austria

Luiz Carneiro

Solution Engineer, smapiot GmbH | Germany

Michael Egger-Zikes

Trainer & Consultant, AngularArchitects.io | Austria

Mannmohan Muthuraman

Head of Artificial Intelligence and Data Science, Santander | CA

Andres Gesteira

Senior Frontend Architect, Fever | Spain

Maxim Salnikov

AI-Native Developer Tools Solution Engineer, Microsoft | Norway

Dr. Philippe De Ryck

Security Expert, Founder, GDE, Pragmatic Web Security | Belgium

Alexander Thalhammer

Passionate Angular Developer, Angular Architects | Austria

Alex Okrushko

Senior Software Engineer, Snowflake | Canada

Manfred Steyer

GDE for Angular, softwarearchitekt.at | Austria

Dariusz Kalbarczyk

Google Developer Expert, Author, Podcaster, NG/JS/AI POLAND | Poland


Meet our first speakers for 2025! More to be announced soon. Interested in joining? Apply below!


Call For Papers 2025

Companies that support our community
Our Sponsors 2025

By becoming a sponsor of AI Poland, you gain a unique opportunity to showcase your company and products to hundreds of forward-thinking developers, engineers, and AI practitioners from across Europe. This kind of exposure can drive meaningful interest in your solutions, help you connect with new business partners, and attract top tech talent. To learn more about our sponsorship opportunities, please fill in the form.

Join our mailing list

Sign up to receive updates about AI Poland, including workshops, speaker announcements, ticket releases, AI Awards, expert interviews, CFP details, and other exclusive content. We won't spam you — only thoughtfully curated updates we believe you'll find truly valuable. You can unsubscribe at any time. More information available here.