John M. Hennessy

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John M. (Jack) Hennessy is an American financier and philanthropist. The son of John F. Hennessy and Octavia Tanksley, he was born on May 5, 1936 in Boston, Massachusetts.

He was educated at the Roxbury Latin School, Harvard University (where he graduated magna cum laude), and the MIT Sloan School of Management. He and his wife, Margarita, divide their time among Nassau, Bahamas, London, England, where their daughter and son-in-law live, and Tuxedo Park, New York, where their son, daughter-in-law and three grandchildren live.



After college in 1958, Hennessy joined The First National Citibank (now Citigroup), working in New York and South America. He eventually became the head of the bank's West Coast of S.A. operations centered in Lima, Peru at the age of 28.

The U.S. Treasury

After returning to school at MIT for two years, in September, 1970, Hennessy joined the United States Department of the Treasury as Deputy Assistant Security, responsible for International Economic Development. On May 2, 1972, he was sworn in as Assistant Secretary for International Affairs, a Presidential appointment requiring the consent and approval of the United States Senate.[1]

The First Boston Corp, Credit Suisse First Boston (CSFB), Credit Suisse

In July 1974, Hennessy left the U.S. Treasury to join First Boston, one of wall street's leading investment banking firms at the time. He spent the rest of his career in the firm, which subsequently was acquired by The Credit Suisse, Zurich. In 1982, he became Chairman and CEO of the joint venture CSFB, Ltd., London. In 1989, he became Chairman of Executive Committee and CEO of the merged global bank, Credit Suisse First Boston.[2] In 2001, he retired from the Bank to dedicate himself to philanthropic and not-for-profit activities, concentrating on education and programs in developing nations.


Awards and Distinctions


  • Established scholarships for Latin American students at Harvard University (3 students each year) and MIT (4 students each year)
  • Established International Exchange and Travel program, Jarvis international lecture series, and program for 1 student to attend Eton College for 1 year post graduate studies
  • President, Margarita and John Hennessy Family Foundation – grants for education and related initiatives


  1. ^ a b Legatum website
  2. ^ New York Times article Web. 10 Oct. 1998.
  3. ^ Corning Incorporated website
  4. ^ Appeal of Conscience Officers & Trustees Archived 2013-05-13 at the Wayback Machine
  5. ^ George Bush Presidential Library Foundation Board of Trustees Archived 2013-02-24 at the Wayback Machine
  6. ^ American Friends of Eton website
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