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Jarosław Lech, Ph.D.

Senior Consultant
Warsaw, PL

Tel: +48 22 630 6202

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Professional Designations

  • Fellow, Polish Society of Actuaries


  • MSc, Mathematics, University of Lodz, Poland
  • Ph.D., Mathematics, Michigan State University, USA

Current Responsibility

Jarosław is a senior consultant with the Warsaw office of Milliman. He joined the firm in 2015.


Jaroslaw has 18 years of experience in actuarial field, as well as several years of university research. Prior to joining Milliman, Jarosław worked for 15 years for Allianz Poland, where he attained chief actuary position.

During his career Jaroslaw has worked on a variety of life and non-life topics. His areas of interest include:

  • Non-life reserving including uncertainty analysis
  • Non-life pricing, including classical and machine learning techniques
  • Risk management and Solvency II
  • Valuation of life companies
  • Asset liability management
  • Life product development

Jaroslaw is fluent in English and has basic Spanish and German.

  • Work at Milliman

    • “I was offered a chance to come in, shake things up, create something."
    Work at Milliman