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Lin Sun, FSA, MAAA

Consulting Actuary
Chicago, IL, US

Tel: +1 312 4995767

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Professional Designations

  • Fellow, Society of Actuaries
  • Member, American Academy of Actuaries


  • BS, Mathematics and Computer Science, University of Waterloo

Current Responsibility

Lin is a consulting actuary with the Life practice in Milliman’s Chicago office. She joined the firm in 2009.


Lin specializes in life insurance mergers and acquisitions, securitization transactions, and strategic capital management. She has developed extensive expertise in modeling individual life and annuity lines of business by supporting numerous clients through valuation and due diligence. She frequently advises clients on corporate modeling projects involving economic capital, cash-flow testing, capital requirements, and financial planning.

In the past few years, Lin has done substantial work with variable annuities in the context of M&A assignments as well as financial reporting, planning, and risk management. She advises clients on efficient model design and practical solutions in the implementation of stochastic and nested stochastic projection models, primarily through use of MG-ALFA®.

Lin also helps clients navigate emerging regulations. She has been engaged in a number of projects related to the Solvency II regime in the European Union. Most recently, she has led research on evaluating the potential impact of emerging regulations on systematically important insurers and providing solutions to fulfill the nascent guidelines.

  • Work at Milliman

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