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Gregory N. Herrle, FSA, MAAA

Principal, 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, University of Wisconsin-Oshkosh

Current Responsibility

Greg is a principal and consulting actuary with the Milwaukee office of Milliman. He specializes in providing financial, risk management, and business planning support to the managed care, insurance, and healthcare industries.


Greg has over 22 years experience as a consultant and actuary. He served as the firm's National Director of Health from 1995 to 1999.

A number of Greg's projects in the industry highlight his expertise:

  • Greg helped an HMO develop and implement a financial turnaround strategy that improved the HMO's financial results dramatically within one year.
  • Greg helped an integrated healthcare delivery system develop and implement an HMO ownership strategy. His work involved business planning and strategy development, risk modeling and assessment, and financial forecasting. He also helped the system locate and evaluate strategic partners for their venture.
  • He helped a healthcare technology firm design, model, and implement an innovative approach for defined contribution health benefits.
  • Greg assisted numerous provider organizations in the development of risk contracting strategies and analysis of specific contract opportunities.
  • Work at Milliman

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