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Jennifer L. Gerstorff, FSA, MAAA

Consulting Actuary
Seattle, WA, US

Tel: +1 206 6138124

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Professional Designations

  • Fellow, Society of Actuaries (SOA)
  • Member, American Academy of Actuaries


  • BS, Applied Mathematics, Columbus State University (2006) Summa Cum Laude

Current Responsibility

Jenny is a healthcare consulting actuary with the Seattle office of Milliman. She joined the firm in 2006.


Jenny has experience in financial forecasting, reporting, pricing, and reserving for health insurance, including Medicaid and commercial populations. She has developed analyses and reports for Medicaid-managed care rate-settings, Medicaid waiver authority support (including applications, amendments, and cost-effectiveness/budget neutrality for 1915(b), 1915(c), and 1115 Demonstration waivers), Medicaid budget forecasting, Medicaid long-term care programs, Medicaid risk scoring and disease management, new program feasibility studies, and healthcare reform population and financial projections.

She has consulted to state Medicaid agencies and health plans in more than 15 states.

Relevant Experience

  • State Medicaid agency risk-based capitation rate development – HI, IL, IN, MI, NV, OH, SC, and WA
  • State Medicaid agency budget forecasting and special projects – AR, CT, IL, IN, MI, NE, OH, and SC
  • State Medicaid agency innovation model savings certification – IL, MI
  • State Medicaid agency waiver support – IL, IN, MI, SC, and WA
  • Medicaid health plan and association consulting – KY, MA, NY, OH, PA, and RI
  • Medicaid health plan capitation rate certification and bid development – FL, KY, MA, NH, PA, RI, VA, and WA
  • Medicare/Medicaid dual eligible demonstration analysis – IL, MA, MI, NY, OH, RI, and SC


  • SOA Health Section Council, Elected Member
  • SOA Health Section, Medicaid Subgroup Leader
  • SOA 2016 Health Meeting Planning Committee, Vice Chair
  • SOA 2017 Health Meeting Planning Committee, Chair
  • Work at Milliman

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