Profile
John L Hennessy
Chairman of the Board, Alphabet Inc. at Alphabet Inc.
Alphabet Inc.Stanford, California, U.S.
John Hennessy is chairman of Alphabet's board of directors. A pioneer of reduced-instruction-set computing, he co-developed the RISC architecture, co-founded MIPS Computer Systems, and served as president of Stanford University for 16 years. He received the A.M. Turing Award for his contributions to computer architecture.
At a Glance
- Based in
- Stanford, California, U.S.
- Nationality
- American
- Born
- 1952
- Education
- B.E. in Electrical Engineering, Villanova University; M.S. and Ph.D. in Computer Science, Stony Brook University.
Career history
- 2018–presentChairman of the BoardAlphabet Inc.
- 2000–2016PresidentStanford University
- 1984Co-FounderMIPS Computer Systems
Highlights
- Received the A.M. Turing Award for pioneering work on RISC computer architecture.
- Served as the tenth president of Stanford University.
Issuers
1
Shares (approx)
20,624
Net 90d Shares
+0
Net 90d $
+$0
Recent Filings
| Date | Company | Type | Shares | Price |
|---|---|---|---|---|
| Mar 16, 2026 | GOOGL | Sell | 232 | $303.55 |
| Mar 16, 2026 | GOOGL | Sell | 63 | $304.78 |
| Mar 16, 2026 | GOOGL | Sell | 143 | $302.74 |
| Mar 16, 2026 | GOOGL | Sell | 179 | $303.72 |
| Mar 16, 2026 | GOOGL | Sell | 28 | $304.36 |
Press Mentions
No press releases mentioning John L Hennessy yet.
Holdings 13F & insider
| Company | Ticker | Role | Shares Owned |
|---|---|---|---|
| Alphabet Inc. | GOOGL | — | 306 |
Network at Alphabet Inc.
Anat AshkenaziSenior Vice President & Chief Financial Officer, Alphabet Inc.Kent WalkerPresident, Global Affairs & Chief Legal Officer, Alphabet Inc.Sundar PichaiChief Executive Officer, Alphabet Inc. & GoogleRuth PoratPresident & Chief Investment Officer, Alphabet Inc.Lawrence E PageCo-Founder & Director, Alphabet Inc.Sergey BrinCo-Founder & Director, Alphabet Inc.L John DoerrDirector, Alphabet Inc.Frances H ArnoldDirector, Alphabet Inc.