Research archive

Sandra J. Horning, M.D.

Sandra J. Horning, M.D., Independent Director at Gilead Sciences, Inc.. Biography, career history and compensation sourced from Gilead Sciences, Inc. proxy statement (SEC Schedule 14A).

About

Sandra J. Horning is the retired Chief Medical Officer of Roche and has served as an independent director of Gilead since 2020. She brings significant leadership experience in the pharmaceutical and healthcare industry, including expertise in drug development across multiple therapeutic areas, and is a physician with experience treating patients as a practicing oncologist.

Roles

Gilead Sciences, Inc.

Independent Director · Current role

2020–present

Also at Gilead Sciences, Inc.

Daniel P. O'Day

Chairman and Chief Executive Officer

Andrew D. Dickinson

Chief Financial Officer

Johanna Mercier

Chief Commercial and Corporate Affairs Officer

Related

Gilead Sciences, Inc.

Gilead Sciences Cell Design Labs 2017

Gilead Sciences Cymabay Therapeutics 2024

See how Top Bucket AI works for your firm

Top Bucket AI Research

Stay ahead of private markets

Research and market intelligence for private-markets professionals.

✓

You're subscribed.

Thanks for signing up.

Dated reference snapshot as of September 10, 2026. This is not a live financial feed. Verify figures against primary filings before relying on them.