Oskar Wismierski

Oskar Wismierski is an experienced leader in analytics, data science, and fraud management, currently serving as the Head of Fraud Analytics and Threat Management at NatWest Group. With over a decade of experience in financial services, he has driven innovative risk management solutions, including advanced machine learning models and strategic technology transformations. His career spans leading global analytics at LexisNexis Risk Solutions and delivering significant financial savings through data-driven fraud prevention at Lloyds Banking Group. Oskar has a strong track record in building high-performing teams and fostering a data-centric culture to optimize fraud detection and minimize losses. He holds a First-Class Honors degree in Mathematics from the University of Surrey and is based in London.