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James Harris Simons

hedge fund manager

James Harris Simons was hedge fund manager. Named Finance Engineer of Year, International Association Finance Engineers, 2006; named one of Forbes 400: Richest Americans, since 2005, World's Richest People, Forbes magazine, since 2005; recipient Oswald Veblen prize in Geometry, American Mathematical Society, 1976.


Simons, James Harris was born on April 25, 1938.


Bachelor of Science in Mathematics, Massachusetts Institute of Technology, 1958. Doctor of Philosophy in Mathematics, University California, Berkeley, 1961.


Mathematics teacher Massachusetts Institute of Technology, Harvard University, 1961—1964. Staff member communications research division Institute Defense Analysis, Alexandria, Virginia, 1964—1968. Chairman mathematics department State University of New York, Stony Brook, 1968—1978.

Founder, president Renaissance Technologies Corporation, East Setauket, 1982—2008, chairman, 1997—2005, Chief Executive Officer, 2008—2010. Board directors Franklin Electronic Publications Inc., since 1983. Founder Renaissance Institutional Equity Fund, 2005.


  • Co-author (with Shiing-Shen Chern): Characteristic Forms and Geometric Invariants, 1974.


Founder Math for America, New York City, 2004. Co-founder John Simons Foundation. Trustee Mathematics Sciences Research Institute, Berkeley, Brookhaven National Laboratory, Upton, New York, Rockefeller University, New York City, Institute Advanced Study, Princeton, New Jersey.

Board directors Massachusetts Institute of Technology Corporation. Fellow: American Academy Arts & Sciences.


Married Barbara Simons (divorced). Children: Paul(deceased), Nick(deceased). Married Marilyn Hawrys Simons.

3 children.

Barbara Simons

Marilyn Hawrys Simons

Paul Simons (deceased)

Nick Simons (deceased)