# Daniel O'Day

Works at Gilead Sciences

Daniel O'Day works at Gilead Sciences.

Last updated: 2026-10-16

Also known as: Dan O'Day

(born 1964) pharmaceutical executive

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## In brief

- Daniel O'Day works at Gilead Sciences.
- Daniel O'Day is also known as Dan O'Day.
- Daniel was at Hoffmann-La Roche (1987 to 2019).
- Daniel studied at Georgetown University (Bachelor of Science, 1986).
- Daniel studied at Columbia University (Master of Business Administration, 1997).

Facts published: 13. Verified: 0.

Status: seeded from public sources and not yet claimed by the person. Facts below are unconfirmed.

## Experience

- Gilead Sciences, 2019 to present (from Wikidata)
- Hoffmann-La Roche, 1987 to 2019 (from Wikidata)
- Associated with Gilead Sciences, no dates listed (from Wikidata)

## Occupations

Business executive, Chief executive officer

## Education

- Bachelor of Science, Georgetown University, 1986 (from Wikidata)
- Master of Business Administration, Columbia University, 1997 (from Wikidata)

## Identifiers

- Wikidata: Q63981759 (https://www.wikidata.org/wiki/Q63981759)

Last updated: 2026-10-16