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Derek A. Jones, FCAS, MAAA

Principal, Consulting Actuary
New York, NY, US

Tel: +1 646 4733416

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Professional Designations

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


  • BA, Economics, University of Virginia

Current Responsibility

Derek is a principal and consulting actuary with the New York office of Milliman. He joined the firm in 1991.


Derek’s experience includes due diligence for mergers and acquisitions, financial modeling, funding level estimation for self-insurance groups, loss reserving, ratemaking, reinsurance, and risk-based capital projections. His recent work has focused on medical professional liability, surety, and workers’ compensation, for which he has performed rate analyses, reserve reviews, and limited claim reviews. Derek has also performed analyses of asbestos and pollution liabilities for both insurers and reinsurers.

The clients he serves include insurance and reinsurance companies, captive insurers and self-insurance groups, and legislative and regulatory bodies.

Presentations and publications

Derek is a regular speaker at national actuarial seminars on loss reserving and other educational seminars. He also has authored the following papers:

  • “The Application of Fundamental Valuation Principles to Property/Casualty Insurance Companies,” Proceedings of the Casualty Actuarial Society, Volume XCII (2005)
  • “An Introduction to Reserving and Financial Reporting Issues for Non-Traditional Reinsurance,” Casualty Actuarial Society Forum, Fall 2004


  • CAS Committee on Health Care Issues
  • Treasurer, Certification Institute
  • Member, AAA Task Force on International Financial Reporting Standards
  • Past President, Casualty Actuaries of Greater New York
  • Past CAS Examination Committee Part Chair
  • Past Chair, South Carolina Captive Insurance Association, Education Committee
  • Work at Milliman

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