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Katherine M. Holcomb, FSA, MAAA

Consulting Actuary
Brookfield, WI, US

Tel: +1 262 7842250

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Professional Designations

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


  • BA, Actuarial Science, The Ohio State University
  • BA, English, The Ohio State University

Current Responsibility

Katie Holcomb is a consulting actuary with the Chicago Milwaukee Health practice of Milliman. She has over 10 years of experience working as a healthcare actuary.


Katie’s areas of expertise are pharmacy, Medicare Advantage, and employer health plans.

In the pharmacy space, Katie has worked with pharmaceutical manufacturers, industry organizations, pharmacy benefit managers, and insurance carriers, with particular emphasis on the Medicare Part D benefit. She leads firm-wide research and development of related tools for prescription drug benefits in Milliman’s Health Cost Guidelines, for both commercial and retiree populations.

Specific to the Medicare market, Katie has assisted several large Medicare Part D plans with bid preparation and strategic analyses. She is a key contributor to Milliman’s Part D research efforts and has extensive experience analyzing the impact of regulatory changes in Part D. Katie also has experience with Medicare Part C bid development.

In addition to Medicare Part D and other pharmacy work, Katie has assisted several employers with rate setting and reserving for their employee health plans.

  • Work at Milliman

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