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Ronald M. Cornwell, FSA, MAAA, FCA

Principal, Consulting Actuary
Omaha, NE, US

Tel: +1 402 3939400

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Professional Designations

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


  • BA (summa cum laude), Biology, Drake University
  • MA, Theology, Bethel Theological Seminary

Current Responsibility

Ron is the practice leader in the health and welfare employee benefits practice of Milliman's Omaha office.  Ron is responsible for the overall management of the practice, including new business development, staffing, delivery of services, and corporate interaction. He joined the firm in this capacity in 2000.


Ron has over 13 years of experience in group benefits working both as a consulting actuary at large international consulting firms as well as a product development actuary at a national health insurance company.

Ron has worked on a broad range of products including the following:

  • medical   
  • STD
  • dental   
  • LTD
  • prescription drug
  • PTO
  • vision 
  • stop-loss reinsurance
  • life

Areas of expertise:

  • presenting health care trends and actuarial analyses to large group meetings and seminars
  • calculating premium equivalent rates
  • reporting financial results
  • evaluating plan renewals by insurance carriers
  • benchmarking plan designs and implementing changes
  • calculating reserves, such as IBNR
  • evaluating network discounts
  • designing and implementing consumer-driven health plans, including HSAs and HRAs
  • developing new actuarial and benefit plan analysis tools

His experience includes numerous Fortune 500 and publicly traded clients.  He has experience as the lead actuary and project manager for HMO rate renewals, union negotiations, mergers and acquisitions, and cafeteria plan design and implementation.


  • Ron served as the actuarial reference for national press releases on healthcare trends.
  • He has served on various Society of Actuaries exam committees.
  • Work at Milliman

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