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Allen M. Klein, FSA, MAAA

Principal and Consulting Actuary
Chicago, IL, US

Tel: +1 312 4995731

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Professional Designations

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


  • BS, Actuarial Science and Finance, University of Illinois, Urbana

Current Responsibility

Al is a principal and consulting actuary with Milliman's Buffalo Grove/Chicago office. He joined the firm in 2009.

Al's primary responsibilities include industry experience studies and helping clients with mortality, longevity, and underwriting related issues. This may involve product development, assumption setting, and mergers and acquisitions. Al's expertise on mortality and underwriting includes traditional products, simplified issue, final expense, older age, and preferred.


Prior to joining Milliman, Al worked for a large stock life insurance company where he was responsible for experience studies across all lines of business. He has also worked for other life insurance companies, a reinsurer and consultant, where he has been responsible for strategic planning, product development and traditional reinsurance.


  • Society of Actuaries (SOA) representative and co-vice chair for the Mortality Working Group (MWG) of the International Actuarial Association
  • MWG Chair of the following projects: Underwriting practices around the world, Drivers of future mortality, Older age mortality
  • SOA Longevity Advisory Group
  • Chair of the SOA Underwriting Issues and Innovation Seminar Planning Committee
  • SOA Life Insurance Mortality and Underwriting Survey Committee
  • Chair of Predictive Analytics and Accelerated and Enhanced Underwriting survey team
  • Joint American Academy of Actuaries (AAA)/SOA Preferred Mortality Oversight Group
  • Joint AAA/SOA Underwriting Criteria Team
  • 2015 SOA Valuation Basic Table Development Team
  • Longer Life Foundation Advisory Board
  • SOA Project Oversight Group for: 1900 Birth Cohort Mortality research project, Population Mortality Trends Working Group
  • Work at Milliman

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