![Arnon Rosenthal](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Arnon Rosenthal
Founder at
ALECTOR, INC.
Net worth: 14 M $ as of 2026-05-30
Profile
Arnon Rosenthal was the founder of Annexon, Inc. (founded in 2011, titled: Chairman from 2014 to 2017), Rinat Neuroscience Corp.
(founded in 2001, titled: President, Director & Chief Scientific Officer from 2001 to 2006), and Alector, Inc. (founded in 2013, titled: Chief Executive Officer & Director since 2019).
Former job at Genentech, Inc. as Scientist from 1985 to 2001.
Education includes a doctorate from The Hebrew University of Jerusalem.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ALECTOR, INC. 5.67% | 2026-06-01 | 6,297,581 ( 5.67% ) | 14 M $ | 2026-05-30 |
Arnon Rosenthal active positions
| Companies | Position | Start |
|---|---|---|
| ALECTOR, INC. | Founder | 2013-04-30 |
Former positions of Arnon Rosenthal
| Companies | Position | End |
|---|---|---|
| ANNEXON, INC. | Chief Executive Officer | 2014-11-30 |
Rinat Neuroscience Corp.
 Rinat Neuroscience Corp. BiotechnologyHealth Technology Manufactures & markets drugs for treating neurological diseases | Founder | 2006-07-31 |
Genentech, Inc.
 Genentech, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops medicines for cancer peoples | Corporate Officer/Principal | 2001-07-31 |
Training of Arnon Rosenthal
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
89
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Genentech, Inc.
Genentech, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops medicines for cancer peoples | Health Technology |
Annexon, Inc.
 Annexon, Inc. Pharmaceuticals: MajorHealth Technology Develops novel therapeutics for neurodegenerative and autoimmune disorders | Health Technology |
The Hebrew University of Jerusalem
 The Hebrew University of Jerusalem Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Rinat Neuroscience Corp.
Rinat Neuroscience Corp. BiotechnologyHealth Technology Manufactures & markets drugs for treating neurological diseases | Health Technology |
Alector, Inc.
 Alector, Inc. BiotechnologyHealth Technology Operates as a biopharmaceutical company that develops therapeutics for Alzheimer’s disease and other neurodegenerative disorders | Health Technology |
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