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Susan Silseth, FSA, MAAA

Consulting Actuary
Brookfield, WI, US

Tel: +262 7842250

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Professional Designations

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


  • BS, Mathematics with an emphasis in Statistics, University of Wisconsin, La Crosse

Current Responsibility

Susan is a consulting actuary with Milliman’s Milwaukee office. She joined the firm in 2011.


Susan has 12 years of actuarial experience. She has experience with Medicare and commercial populations.

In the Medicare market, Susan has provided Medicare Advantage carriers with strategic planning, bid development, and desk review and audit support. She has assisted an existing PDP carrier with a strategy focus group, analyzing competitive position, and scenario planning. Susan has also educated pharmaceutical manufacturer employees on key drivers of Medicare Advantage formulary decisions via a Medicare Advantage training program.

Susan has provided clients with reserving analysis, including premium deficiency reserve analysis and medical, prescription drug, and long-term disability reserve analyses.

Prior to joining Milliman, Susan worked at a large insurance company specializing in small group and individual medical products.

  • Work at Milliman

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