Our Company

Robert G. Cosway, FSA, MAAA, EA

Principal, Consulting Actuary
San Diego, CA, US

Tel: +1 858 5588400

E-Mail | Download bio | VCard

Professional Designations

  • Fellow, Society of Actuaries
  • Member, American Academy of Actuaries
  • Enrolled Actuary, ERISA (inactive)


  • BS and MS, Mathematics, Massachusetts Institute of Technology

Current Responsibility

Bob is a principal in the San Diego office of Milliman. He joined the firm in 1980.


Bob specializes in a variety of healthcare areas, including medical, dental, and disability. He works with managed healthcare organizations, healthcare providers, PSOs (provider sponsored organizations), carriers, Blue Cross Blue Shield plans, reinsurance companies, multiple employer trusts (METs), and governments. In addition to his significant experience with CHAMPUS populations and CHAMPUS Tricare programs, Bob actively consults with clients offering benefit programs to commercial, Medicare, and Medicaid populations.

Bob provides consulting services in the following areas: strategic planning, risk assessment and management, provider reimbursement and incentive systems, pricing, projection of healthcare costs, experience analysis, healthcare management practice improvement, and information systems.

  • Work at Milliman

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