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Katherine A. Pipkorn, ACAS, MAAA

Associate Actuary
Brookfield, WI, US

Tel: +1 262 7842250

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Professional Designations

  • Associate, Casualty Actuarial Society
  • Member, American Academy of Actuaries


  • BA (with honors), Washington University in St. Louis

Current Responsibility

Katie Pipkorn is an associate actuary with the Milwaukee office of Milliman. She joined the firm in 2013.


Katie’s area of expertise is property and casualty insurance, particularly ratemaking, predictive modeling, and loss reserving. Within this space, she has experience in multiple lines of business, including personal lines, various segments of professional liability, workers' compensation, and general liability, among others. Katie has provided actuarial assistance to risk-bearing entities in both the private and public sector. She has assisted clients with assignments, including ratemaking, multi-state regulatory filings, self-insurance funding, estimating the impact of proposed legislation, preparation of actuarial opinions, and loss reserving.

Presentations and Publications

  • “IoT(a) a Change that will be Anything but Small.” RIMS Chapter Meeting, November 9, 2016, PRIMA Chapter Meeting, March 7, 2017.
  • “Student Loan Debt Update: A Look at a Possible Future,” Milliman Insight, February 17, 2016.
  • “Predictive Modeling Loss Assumptions: What’s the Impact?” CAS RPM Seminar, March 20, 2018, The Hartford Internal Education Day, November 28, 2018.
  • “Student Loans and Regulation: A Bumpy Ride For Borrowers,” Milliman Insight, February 13, 2019.
  • Work at Milliman

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