Stephen Madel, a celebrated American investor, hedge fund manager, and philanthropist, is a self-made entrepreneur who founded Lone Pine Capital in 1997. His 68-year-old journey has left an indelible mark on the financial world. His impressive investments across the country have not only made him one of the most influential investors in America’s financial circles but also a role model whose success story will captivate you. This article is an opportunity to delve into the fascinating life journey of Stephen Mandek, an American mogul with a net worth of $2.5 billion, and discover his career, net worth, age, early life, education, and more.
Unknown Facts About Stephen Mandel
- He was born on March 12, 1956, in the United States of America.
- He started his career working as a senior consultant for Mars & Co.
- He graduated from Phillips Exeter Academy (1974) and Dartmouth College (1978).
- He has a net worth of $2.5 billion.
- Forbes listed Stephen as one of the 40 highest-earning hedge fund managers 2012.
- Stephen also founded two charitable foundations: the Zoom and Lone Pine Foundation.
Where was Stephen Mandel born and Where was he Educated?
Stephen Madel, a man of distinction, was born on March 12, 1956, in the United States of America. He is the proud son of Ann and Stephen Frank Mandel, a family that has played a significant role in shaping his life. Born under the Aries astrological sign, Stephen is an American national with a Christian upbringing and a heritage of white ancestry. His childhood was spent in the idyllic town of Darien, Connecticut, where he shared many fond memories with his family.
Stephen graduated from Phillips Exeter Academy in 1974. He later furthered his education, graduating in 1978 from Dartmouth College with a Bachelor of Arts in Government. At Dartmouth College, he was among the members of the Psi Upsilon fraternity. Stephen also holds an M.B.A. from Harvard University.

Quick Biography
Jim Norton’s Quick Biography | Answers |
Birthday | March 12, 1956 |
Full Name | Stephen Mandel |
Hometown | United States of America |
Lives In | United States |
Net Worth | $2.5 billion |
Horoscope/Birth Sign | Aries |
Age | 47 years old |
Stage Name | Stephen Mandel |
Profession | Investor, Hedge Fund Manager, and Philanthropist |
Father’s Name | Stephen Frank Mandel |
Mother’s Name | Ann |
Number of Children | None |
Children’s Name | N/A |
Husband/Boyfriend | N/A |
Wife/Girlfriend | Susan Joy Zadek |
Birth Year | 1956 |
Trivia | Forbes listed Stephen Mandel as one of the 40 Highest-Earning hedge fund managers in 2012 |
Facebook Handle | Stephen Mandel |
YouTube Handle | Stephen Mandel |
Twitter/X Handle | @SMandel_AB |
Instagram Handle | @stephen_mandel |
Snapchat Handle | N/A |
Height | N/A |
Body Measurements | N/A |
Feet/Shoe Size | N/A |
Color of Eye | Grey |
Movies Starred | N/A |
References | Wikipedia |
Career
Investment
Having started his career after graduating, Stephen was a senior consultant at Mars & Co from 1982 to 1984. He later went on to work as a consumer retail analyst at Goldman Sachs before working as a consumer analyst. Subsequently, he became the managing director at Tiger Management, a hedge fund established by Julian Robertson. 1997 saw Stephen leave Tiger and establish his own hedge fund, Lone Pine Capital LLC (named after a Dartmouth College pine tree that survived an 1887 lightning strike).
In 2012, Stephen was ranked among the 40 highest-earning hedge fund managers, among the top 25 in 2013, and the top 15 in 2018. He became the managing director of Lone Pine Capital but left the position as its manager in January 2019.
Philanthropy
Currently chairing Teach for America’s national board of directors, Stephen previously chaired the board of trustees at Dartmouth. He founded the Zoom Foundation and the Lone Pine Foundation, two charitable foundations. He gave $1 million to the Lincoln Project, a super PAC opposed to Donald Trump.
Net Worth
How rich is Stephen Mandel? The 68-year-old business tycoon has accumulated a tremendous fortune from his career. As of this writing, Stepehn Mandel has a net worth of $2.5 billion, placing him among the world’s wealthiest American businesspeople. At age 68, Stephen cemented himself in global finance by managing some of the most significant hedge funds and establishing Lone Pine Capital.
Stephen Mandel’s success story has inspired many aspiring investors worldwide. His extensive knowledge base has propelled him to become one of the world’s most renowned financial experts. In addition to building a fortune through prudent risk-taking and asset allocation, he was also credited with using his unique abilities to outwit rivals and generate returns that increased exponentially over time—an accomplishment many have attempted.
Personal Life
Is Stephen Mandel married? Stephen is a happily married man wedded to his soulmate. Regarding his love life, Stephen met his wife, Susan Joy Zadek of Baltimore, in 1982 at Harvard. His wife is a trustee of the Environmental Defense Fund and Vassar College.
Frequently Asked Questions
How old is Stephen Mandel?
As of 2024, Stephen is 68 years old.
Where was Stephen Mandel born?
He was born on March 12, 1956, in the United States of America.
Who are the parents of Stephen Mandel?
He was born to Ann and Stephen Frank Mandel.
How rich is Stephen Mandel?
He has a net worth of $2.5 billion as of this writing.