James Harris Simons

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James Harris Simons
James Simons 2007.jpg
Simons speaking at the Differential Geometry, Mathematical Physics, Mathematics and Society conference in 2007 in Bures-sur-Yvette.
Born 1938 (age 78–79)
Newton, Massachusetts, U.S.
Alma mater Massachusetts Institute of Technology
University of California, Berkeley
Occupation Mathematician, hedge fund manager, and philanthropist
Known for Founding and managing Renaissance Technologies
Creating the Chern–Simons form with Shiing-Shen Chern
Net worth US$18 billion (February 2017)
Spouse(s) Barbara Simons
Marilyn Hawrys Simons[1]
Children 3[1]
Parent(s) Matthew Simons
Marcia Kantor
Awards Oswald Veblen Prize (1976)[2]

James Harris "Jim" Simons (born 1938) is an American mathematician, hedge fund manager, and philanthropist. He is known as a quantitative investor and in 1982 founded Renaissance Technologies, a private hedge fund based in New York City. Although Simons retired from the fund in 2009, he remains its non-executive chairman and adviser.[3]

He is also known for his studies on pattern recognition for which he developed (with Shiing-Shen Chern) the Chern–Simons form,[4] and contributed to the development of string theory by providing a theoretical framework to combine geometry and topology with quantum field theory.[5] From 1968 to 1978,[6] Simons was a mathematics professor and subsequent chair of the mathematics department at Stony Brook University.[7]

As a consequence of his investment career, Forbes Magazine estimated Simons' net worth is to be US$18 billion as of February 2017.[8]

In 2016, asteroid 6618 Jimsimons,[9] discovered by Clyde Tombaugh in 1936, was named after Simons by the International Astronomical Union in honor of his numerous contributions to mathematics and philanthropy.

Early life and education[edit]

James Harris Simons was born to a Jewish family,[10] the only child of Marcia (née Kantor)[11] and Matthew Simons, and raised in Brookline, Massachusetts.[12] His father owned a shoe factory.[13]

He received a Bachelor of Science in mathematics from the Massachusetts Institute of Technology in 1958[14] and a Ph.D., also in mathematics, from the University of California, Berkeley, under supervision of Bertram Kostant in 1961, at the age of 23.[14]

Investment career[edit]

Renaissance Technologies[edit]

External video
Jim Simons at MSRI.jpg
A Rare Interview with the Mathematician Who Cracked Wall Street, 23:03, TED Talks[15]
The Carnegie Medal of Philanthropy Ceremony - 17th October 2013, 1:31:40 (Simons section at 52:00-1:05:30), Scottish Parliament[16]

For more than two decades, Simons' Renaissance Technologies' hedge funds, which trade in markets around the world, have employed mathematical models to analyze and execute trades, many automated. Renaissance uses computer-based models to predict price changes in financial instruments. These models are based on analyzing as much data as can be gathered, then looking for non-random movements to make predictions.

Renaissance employs specialists with non-financial backgrounds, including mathematicians, physicists, signal processing experts and statisticians. The firm's latest fund is the Renaissance Institutional Equities Fund (RIEF).[17] RIEF has historically trailed the firm's better-known Medallion fund, a separate fund that contains only the personal money of the firm's executives.[18]

It's startling to see such a highly successful mathematician achieve success in another field," says Edward Witten, professor of physics at the Institute for Advanced Study in Princeton, NJ, and considered by many of his peers to be the most accomplished theoretical physicist alive...[19]

In 2006, Simons was named Financial Engineer of the Year by the International Association of Financial Engineers. In 2007, he was estimated to have personally earned $2.8 billion,[20] $1.7 billion in 2006,[21] $1.5 billion in 2005,[22] (the largest compensation among hedge fund managers that year)[23] and $670 million in 2004.

Academic and scientific career[edit]

Simons' mathematical work has primarily focused on the geometry and topology of manifolds. His 1962 Berkeley PhD thesis, written under the direction of Bertram Kostant, gave a new and more conceptual proof of Berger's classification of the holonomy groups of Riemannian manifolds, which is now a cornerstone of modern geometry. He subsequently began to work with Shing-Shen Chern on the theory of characteristic classes, eventually discovering the Chern–Simons secondary characteristic classes of 3-manifolds, which are deeply related to the Yang-Mills functional on 4-manifolds, and have had a profound effect on modern physics. These and other contributions to geometry and topology led to Simons becoming the 1976 recipient of the AMS Oswald Veblen Prize in Geometry. In 2014, he was elected to the National Academy of Sciences of the USA.[24]

In 1964, Simons worked with the National Security Agency to break codes.[25] Between 1964 and 1968, he was on the research staff of the Communications Research Division of the Institute for Defense Analyses (IDA) and taught mathematics at the Massachusetts Institute of Technology and Harvard University, ultimately joining the faculty at Stony Brook University. In 1968, he was appointed chairman of the math department at Stony Brook University.

Simons was asked by IBM in 1973 to attack the block cipher Lucifer, an early but direct precursor to the Data Encryption Standard (DES).[26]

Simons founded Math for America, a nonprofit organization, in January 2004 with a mission to improve mathematics education in United States public schools by recruiting more highly qualified teachers. He funds a variety of research projects.

Personal life[edit]

Simons shuns the limelight and rarely gives interviews, citing Benjamin the Donkey in Animal Farm for explanation: "God gave me a tail to keep off the flies. But I'd rather have had no tail and no flies."[27] On October 10, 2009, Simons announced he would retire on January 1, 2010 but remain at Renaissance as nonexecutive chairman.[28]

Political and economic views[edit]

Simons is a major contributor to Democratic Party political action committees. According to the Center for Responsive Politics, Simons is currently ranked the #5 donor to federal candidates in the 2016 election cycle, coming behind co-CEO Robert Mercer, who is ranked #1 and generally donates to Republicans.[29] Simons has donated $7 million to Hillary Clinton's Priorities USA Action,[30] $2.6 million to the House and Senate Majority PACs, and $500,000 to EMILY's List.[29] He also donated $25,000 to Republican Senator Lindsey Graham's super PAC.[29] Since 2006 Simons has contributed about $30.6 million to federal campaigns.[29] Since 1990, Renaissance Technologies has contributed $59,081,152 to federal campaigns and since 2001, has spent $3,730,000 on lobbying.[31]


According to the Wall Street Journal in May 2009, Simons was questioned by investors on the dramatic performance gap of Renaissance Technologies' portfolios. The Medallion Fund, which has been available exclusively to current and past employees and their families, surged 80% in 2008 in spite of hefty fees; the Renaissance Institutional Equities Fund (RIEF), owned by outsiders, lost money in both 2008 and 2009; RIEF declined 16% in 2008.[32]

On July 22, 2014, Simons was subject to bipartisan condemnation by the U.S. Senate Permanent Subcommittee on Investigations for the use of complex barrier options to shield day-to-day trading (usually subject to higher ordinary income tax rates) as long-term capital gains. “Renaissance Technologies was able to avoid paying more than $6 billion in taxes by disguising its day-to-day stock trades as long term investments,” said Sen. John McCain (R., Ariz.), the committee’s ranking Republican, in his opening statement. “Two banks and a handful of hedge funds developed a complex financial structure to engage in highly profitable trades while claiming an unjustified lower tax rate and avoiding limits on trading with borrowed money,” said Sen. Carl Levin (D., Mich.) in his prepared remarks.[33]

An article published in the New York Times in 2015 said that Simons was involved in one of the biggest tax battles of the year, with Renaissance Technologies being "under review by the I.R.S. over a loophole that saved their fund an estimated $6.8 billion in taxes over roughly a decade."[34]

Wealth and philanthropy[edit]

He was named by the Financial Times in 2006 as "the world's smartest billionaire".[35] According to Forbes Magazine Simons has a net worth of $18 billion USD as of February 2017. This makes him #24 on the Forbes 400 richest people list.[36]

In 2011, he was included in the 50 Most Influential ranking of Bloomberg Markets Magazine.[citation needed] Simons owns a motor yacht, named Archimedes. It was built at the Dutch yacht builder Royal Van Lent and delivered to Simons in 2008.[37]

Simons and his second wife, Marilyn Hawrys Simons, co-founded the Simons Foundation in 1994, a charitable organization that supports projects related to education and health, in addition to scientific research.[1] In memory of his son Paul, whom he had with his first wife, Barbara Simons, he established Avalon Park, a 130-acre (0.53 km2) nature preserve in Stony Brook. In 1996, 34-year-old Paul was killed by a car driver while riding a bicycle near the Simons home. Another son, Nick Simons, drowned at age 24 while on a trip to Bali in Indonesia in 2003. Nick had worked in Nepal. The Simons have become large donors to Nepalese healthcare through the Nick Simons Institute.[38][39]

The Simons Foundation established the Simons Foundation Autism Research Initiative (SFARI) in 2003 as a scientific initiative within the Simons Foundation's suite of programs. SFARI's mission is to improve the understanding, diagnosis and treatment of autism spectrum disorders.[40]

In 2004, Simons founded Math for America with an initial pledge of $25 million from the Simons Foundation, a pledge he later doubled in 2006.[41]

Also in 2006, Simons donated $25 million to Stony Brook University through the Stony Brook Foundation, the largest donation ever to a State University of New York school.[42]

On February 27, 2008, then Gov. Eliot Spitzer announced a $60 million donation by the Simons Foundation to found the Simons Center for Geometry and Physics at Stony Brook, the largest gift to a public university in New York state history.[43]

In December 2008, it was reported that the Stony Brook University Foundation, of which Simons is chair emeritus, lost $5.4 million in Bernard Madoff’s Ponzi scheme.[44]

Via the foundation, he and Marilyn also funded the renovation of the building housing the mathematics department at MIT, which in 2016 was named after the two of them.[45]

The Simons Foundation established the Flatiron Institute in 2016, to house 4 groups of computational scientists (each with 60 or more PhD level researchers). The institute consists of three cores or departments: CCB (the center for computational biology), CCA (Center for Computational Astrophysics), CCQ (Center for Computational Quantum mechanics). A fourth, yet to be assembled core, will focus on another branch of applied computational science. The new institute is located in Manhattan and represents a major investment in basic computational science

Legacy and awards[edit]

In 2008, he was inducted into Institutional Investors Alpha's Hedge Fund Manager Hall of Fame along with David Swensen, Louis Bacon, Steven Cohen, Kenneth Griffin, Paul Tudor Jones, George Soros, Michael Steinhardt, Jack Nash, Seth Klarman, Alfred Jones, Leon Levy, Julian Roberston, and Bruce Kovner.[46]

Publications and works[edit]

See also[edit]


  1. ^ a b c Teitelbaum, Richard (January 2008). "The Code Breaker". Bloomberg Markets Magazine. Bloomberg LP. Retrieved January 7, 2010. 
  2. ^ https://www.nytimes.com/2014/07/08/science/a-billionaire-mathematicians-life-of-ferocious-curiosity.html?_r=0
  3. ^ "RenTec's Jim Simons Retiring At End Of Year". Market Folly. October 8, 2009. Archived from the original on June 17, 2012. Retrieved June 17, 2012. 
  4. ^ "More Money than God". 
  5. ^ "Remarks on Chern-Simon Theory" (PDF). American Mathematical Society. January 15, 2009. Retrieved March 31, 2016. 
  6. ^ "Simons Foundation Chair Jim Simons on His Career in Mathematics | Simons Foundation". www.simonsfoundation.org. Retrieved 2017-05-11. 
  7. ^ Pérez-peña, Richard (2011-12-13). "Stony Brook University Given $150 Million". The New York Times. ISSN 0362-4331. Retrieved 2017-05-11. 
  8. ^ Forbes: "The World's Billionaires: James Simons" September 2016
  9. ^ IAU Minor Planet Center
  10. ^ "The Jewish Billionaires of Forbes". jspace.com. March 14, 2012. Archived from the original on March 28, 2012. Retrieved September 7, 2013. 
  11. ^ Boston Globe: "Marcia (Kantor) Simons Obituary" retrieved March 31, 2013
  12. ^ Bloomberg: "Simons at Renaissance Cracks Code, Doubling Assets (Update1)" By Richard Teitelbaum November 27, 2007
  13. ^ "The Secret World of Jim Simons". iimagazine.com. 
  14. ^ a b "James Simons". Mathematics Genealogy Project. AMS. Retrieved August 8, 2014. 
  15. ^ "A Rare Interview with the Mathematician Who Cracked Wall Street". TED (conference). March 2015. Retrieved September 26, 2015. 
  16. ^ "Carnegie Medals of Philanthropy presented at the Scottish Parliament". The Scottish Parliament. October 2013. Retrieved September 26, 2015. 
  17. ^ Baker, Nathaniel (June 24, 2005). "Renaissance Readies Long-Biased Strat". Institutional Investor. 
  18. ^ Zuckerman, Gregory (July 1, 2005). "Renaissance's Man: James Simons Does The Math on Fund". The Wall Street Journal. pp. C1. Retrieved August 6, 2015. 
  19. ^ https://www.sns.ias.edu/ckfinder/userfiles/files/ComemorativeLecturePopular(1).pdf
  20. ^ Andersen, Jenny (April 16, 2008). "Wall Street Winners Get Billion-Dollar Paydays". The New York Times. Retrieved January 7, 2010. 
  21. ^ Jenny Anderson and Julie Creswell (April 24, 2007). "Make Less Than $240 Million? You're Off Top Hedge Fund List". The New York Times. 
  22. ^ Shell, Adam (May 26, 2006). "$363M is average pay for top hedge fund managers". USA Today. Retrieved August 15, 2006. 
  23. ^ "Top hedge fund manager had take-home pay of $1.5 billion in 2005 on 5% fee and 44% of gains". Finfacts.com. May 26, 2006. 
  24. ^ "James H. Simons Elected to the National Academy of Sciences - Stony Brook University Newsroom". stonybrook.edu. 
  25. ^ Broad, William (July 7, 2014). "Seeker, Doer, Giver, Ponderer: A Billionaire Mathematician's Life of Ferocious Curiosity". New York Times. 
  26. ^ Levy, Steven (2001). Crypto: secrecy and privacy in the new code war. Penguin. p. 356. ISBN 0-14-024432-8. 
  27. ^ "Seed Interview: James Simons". Seed. September 19, 2006. Retrieved July 23, 2013. 
  28. ^ "Renaissance Founder Simons, Computer Trading Pioneer, to Retire". Bloomberg. October 9, 2009. Archived from the original on March 21, 2010. 
  29. ^ a b c d Bowers, John (7 June 2016). "A hedge fund house divided: Renaissance Technologies". OpenSecrets Blog. Center for Responsive Politics. Retrieved 9 June 2016. 
  30. ^ Who are the Super PACs’ Biggest Donors? By Al Shaw, ProPublica. Updated December 7, 2012
  31. ^ "Organizations: Renaissance Technologies". OpenSecrets.org. Center for Responsive Politics. Retrieved 9 June 2016. 
  32. ^ Pulliam, Susan; Strasburg, Jenny (May 15, 2009). "Simons Questioned by Investors: Disparity Is Seen in Running of Two Renaissance Funds". Retrieved 29 December 2015. 
  33. ^ "Simons Subject to Bipartisan Condemnation for Tax Strategies". 
  34. ^ Scheiber, Noam; Cohendec, Patricia (29 December 2015). "For the Wealthiest, a Private Tax System That Saves Them Billions". The New York Times. Retrieved 29 December 2015. 
  35. ^ "Alternative Rich List". FT.com. September 22, 2006. Retrieved November 8, 2007. 
  36. ^ "James Simons". Forbes. Retrieved 2017-02-19. 
  37. ^ "Superyacht Archimedes". SuperYachtFan. 
  38. ^ Nepalnews Mercantile Communications Pvt. Ltd
  39. ^ US family donates Rs 380 m medical for Nepal
  40. ^ "About SFARI". SFARI.org. SFARI. Retrieved December 18, 2016. 
  41. ^ Roekbe, Joshua (September 19, 2006). "Putting his money where his math is". Seed. Retrieved March 4, 2015. 
  42. ^ "Stony Brook Announces $25 Million Gift From Renowned Former Math Chair Jim Simons". stonybrook.edu. 
  43. ^ Arenson, Karen W. (February 27, 2008). "$60 Million Gift for Stony Brook". The New York Times. Retrieved May 5, 2010. 
  44. ^ "Simons's Stony Brook University Fund Caught in Madoff Fraud". Bloomberg. December 16, 2008. 
  45. ^ "MIT names historic Building 2, home of mathematics, in honor of James '58 and Marilyn Simons". MIT News. Massachusetts Institute of Technology. 2016-03-30. Retrieved 2016-06-24. 
  46. ^ "The Alpha Hedge Fund Hall of Fame | Institutional Investor's Alpha". www.institutionalinvestorsalpha.com. Retrieved 2017-02-24. 

External links[edit]