Ons Bedrijf

Olivier Mahieux, IABE, ILAC

Consulting Actuary
Luxembourg, LU

Tel: +352 28 488 486

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Professional Designations

  • Fellow of Belgium and Luxembourg actuarial associations (IABE and ILAC)
  • Professionnels du secteur de l'assurance (PSA) approved manager of actuarial services in Luxembourg
  • Certified by the Ministère de la Sécurité Sociale of Luxembourg to perform the actuarial validation of corporate pension plans


  • DESS Financial Risk Management, University of Brussels
  • Master’s degree, Actuarial Science, University of Brussels
  • Master’s degree, Physics Science, University of Brussels

Current Responsibility

Olivier is managing director and consulting actuary of the Milliman office in Luxembourg. He manages and executes the actuarial activities in Luxembourg, supported by Milliman staff in our Benelux offices. He joined the firm in 2018.


Over the last 20 years, Olivier has held various actuarial and managerial roles, profiling him as a seasoned insurance and pension expert who is highly experienced in Luxembourg and with the European regulatory framework. He works with life and non-life companies that serve customers on the local market and outside of Luxembourg, delivering support for pricing, valuation, M&A, capital modelling, risk management, Solvency II reporting, and corporate governance review.

From 2010 to 2017, Olivier worked for Zurich in Luxembourg, ultimately in the role of CFO, and before that as chief life actuary. He has built extensive expertise in accounting management, local GAAP, and IFRS financial reporting, Solvency II implementation, risk and capital management. Olivier currently supports the head of actuarial function for a number of insurance companies domiciled in Luxembourg.

  • Work at Milliman

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