Marilyn Simons Timeline
Marilyn Simons co-founded the Simons Foundation in 1994, and Jim Simons died on 10 May 2024 46.
Full nameMarilyn Hawrys Simons
NationalityUnited States
Known forCo-founder and chair of the Simons Foundation; widow of Jim Simons
1977: marriage
She marries Jim Simons 7.
- 1977 · MILESTONEMarries Jim Simons
- 1994 · FOUNDEDCo-founds the Simons Foundation with Jim Simons
- 2013 · MILESTONEShares the Carnegie Medal of Philanthropy with Jim Simons
- 2021 · ROLESteps back as foundation president in July and becomes chair; inducted into the French Legion of Honor
- 2024 · MILESTONEElected to the American Academy of Arts and Sciences; Jim Simons dies on 10 May
- 2026 · MILESTONEValued at $36.6 billion on the Forbes 400, fifth among America's richest women
1978: Renaissance Technologies
Jim Simons founds the firm as Monometrics; it is renamed in 1982 7.
1994: Simons Foundation
She and Jim Simons found the foundation 47.
2013: Carnegie Medal
The couple share the Carnegie Medal of Philanthropy 35.
2021: foundation chair and Legion of Honor
She steps back as president in July and becomes chair; she is inducted into the French Legion of Honor 34.
2024: honors and loss
She is elected to the American Academy of Arts and Sciences in April. Jim Simons dies on 10 May 46.
2026: $36.6 billion
The Forbes 400 ranks her fifth among America's richest women 1.
Frequently asked questions
On 10 May 2024, in New York, at the age of 86.
After serving as president until July 2021, she became chair of the board of trustees.
Sources✓ Verified 14 Nov 2026
1 Simons Foundation, Remembering the Life and Careers of Jim Simons, 1 Jan 1970, Dates
2 Simons Foundation, Simons Foundation Co-Founder and Chair Marilyn Simons Elected to the American Academy of Arts and Sciences, 29 Apr 2024, Foundation roles
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