Stephen Mandel Jr.
March 12, 1956
Founding and leading Lone Pine Capital
Dartmouth College
Teach for America
Susan Joy Zadek
3
Early life and education[edit]
Mandel is the son of Ann (née Safford) and Stephen Frank Mandel and grew up in Darien, Connecticut.[3][4] He has a brother, Edward Safford Mandel.[5] In 1974, Mandel graduated from the Phillips Exeter Academy. In 1978, he graduated from Dartmouth College with a Bachelor of Arts in government and was a member of the Psi Upsilon fraternity.[1] He also has an M.B.A. from Harvard University.[6]
Investment career[edit]
From 1982 to 1984,[1] he worked at Mars & Co as a senior consultant[7] and then from 1984 to 1990,[1] he worked as a consumer-retail analyst at Goldman Sachs[8] before working as a consumer analyst and eventually managing director at Tiger Management,[1] a hedge fund founded by Julian Robertson. In 1997, he left Tiger and founded his own hedge fund, Lone Pine Capital LLC[6] (named after a Dartmouth College pine tree that survived an 1887 lightning strike).[9]
Forbes listed Stephen Mandel as one of the 40 Highest-Earning hedge fund managers in 2012, one of the top 25 in 2013,[10][11] and one of the top 15 in 2018.[2]
As of January 2019, Mandel will no longer manage investments for his Lone Pine Capital but will remain a managing director.[9]
Wealth and philanthropy[edit]
According to Forbes Magazine, Mandel has a net worth of $3.9 billion as of October 2021.[12] An increase of $1.1B, when compared to the Forbes 400 List, released October 2020[2]
He was chairman of Dartmouth's board of trustees[13] and is currently chair of the national board of directors at Teach for America.[14] He founded two charitable foundations: the Zoom Foundation and the Lone Pine Foundation.[15] Mandel donated $1 million to the Lincoln Project, an anti-Donald Trump super PAC.[16]
Personal life[edit]
In 1982, he married Susan Joy Zadek of Baltimore, whom he met at Harvard.[17][18][19] They have three children.[6] His wife is a trustee of the Environmental Defense Fund and of Vassar College.[20]