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Mark C. Olleman, FSA, MAAA, EA

Consulting Actuary
Seattle, WA, US

Tel: +1 206 6247940

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Professional Designations

  • Fellow, Society of Actuaries
  • Member, American Academy of Actuaries
  • Enrolled Actuary, ERISA


  • BS, Mathematics and Chemistry, Whitworth College

Current Responsibility

Mark is a principal with the Seattle office of Milliman. He joined the firm in 1990.


Mark's area of expertise is the employee benefits field. The majority of his practice is providing service to multiemployer plans and public employee retirement systems. Mark assists clients with many aspects of defined benefit plans, including actuarial valuations, economic and demographic experience studies, asset/liability modeling, cost and population projections, plan administration, participant communications, funding strategies, and plan design.

Mark's projects have included:

  • Redesign of the corporate asset/liability model
  • Consulting on retirement plan redesign issues
  • Funding strategy reviews
  • High-level internal quality control reviews

Presentations and Publications

Mark is a regular instructor for the International Foundation of Employee Benefit Plans' Certificate of Achievement in Public Plan Policy and speaks on retirement issues at various national meetings.

He has authored articles on the plan design of public employee retirement systems.

  • Work at Milliman

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