Web Reference: John Leroy Hennessy (born September 22, 1952) is an American computer scientist and chairman of Alphabet Inc. [8] Hennessy is one of the founders of MIPS Technologies and Atheros, serving as 10th president of Stanford University from 2000 to 2016. May 1, 2014 · Have questions about Alphabet Director John Hennessy? View Mr. Hennessy's net worth, biography, salary, age, and recent stock transactions at InsiderTrades.com. The estimated net worth of John L Hennessy is at least $23 Million dollars as of 2026-04-07. John L Hennessy is the Director of Alphabet Inc and owns about 35,453 shares of Alphabet Inc (GOOG) stock worth over $11 Million.
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Details: $37M - $58M
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Last Updated: April 11, 2026
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