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Stephen H. Conwill, FSA, MAAA

CEO - Japan
Tokyo, JP

Tel: +81 3 52117031

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Professional Designations

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


  • BA, Haverford College
  • MA, Princeton University

Current Responsibility

Steve leads Milliman’s Tokyo office as CEO-Japan.

He joined Milliman in 1988 and moved to Japan in 1992 to help establish the Tokyo office. He served as managing director in Japan between July 1996 and December 2004.

After returning to the United States, Steve assumed the position of life research director.

He was named CEO-Japan in January 2012.


For more than twenty years, Steve has consulted to Japanese life insurance companies on financial and strategic management issues, M&A, corporate restructuring, and demutualization.

As life research director, Steve managed worldwide research efforts for Milliman’s Life practice.

Steve’s personal research interests include enterprise risk management, with a focus on organization risk, internal communications, and the sharing of knowledge within an organization. In addition, he has developed innovative approaches to the modeling of macroeconomic and geo-political risks.

Steve works closely with Milliman’s Life Technology Solutions team to support the design and implementation of financial forecasting systems.

Presentations and Publications

A frequent speaker at insurance forums, Steve has made presentations to the Society of Actuaries, the Institute of Actuaries of Japan, the American Council of Life Insurance, and other groups. He has published analyses in the Asian Wall Street Journal, Asia Insurance Review, Japan Insurance Magazine, and Contingencies.

  • Work at Milliman

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