Mateusz Krzyziński

Mateusz Krzyziński is a Senior Data Scientist at Visa in the Cyber Analytics & AI Innovation department since November 2025. Previous experience includes serving as an ML Security Engineer at Snowflake and a Teaching Assistant at Warsaw University of Technology, where responsibilities included conducting labs and projects for courses related to machine learning and data analysis. As a Research Scientist at MI2.ai, contributions focused on developing explainable AI (XAI), trustworthy machine learning (ML), and natural language processing (NLP) systems, alongside publishing several scientific articles. Additional roles include Data Scientist at Solutions42.ai, leading a secure ML project for a business client, and Graduate Research Intern at NASK, where XAI methods for NLP models were developed. Mateusz Krzyziński holds a Master of Science and a Bachelor of Science in Engineering in Data Science from Warsaw University of Technology.