Where is Gilead Sciences headquartered?
Gilead Sciences is headquartered in Foster City, CA. Its footprint includes major operating, manufacturing, commercial, R&D, laboratory, technology, clinical, or distribution hubs across the United States and international markets.
- HQ
- Foster City, CA
- HQ address
- 333 Lakeside Drive, Foster City, CA 94404
- Offices
- Foster City, CA; Santa Monica, CA; Seattle, WA; Morris Plains, NJ
- Founded
- 1987
- Employees
- 18,000+
- Largest hub
- Foster City, CA
Gilead Sciences office locations
Gilead Sciences's public footprint includes headquarters and major operating hubs used for executive, commercial, clinical, manufacturing, distribution, laboratory, or technology work.
- Foster City, CA· Headquarters
- Santa Monica, CA· Office
- Seattle, WA· Office
- Morris Plains, NJ· Office
- Dublin, Ireland· Office
- Cambridge, UK· Office
- Tokyo, Japan· Office
Sources:Gilead Sciences websiteGilead Sciences annual reports
Where is Gilead Sciences's headquarters?
Gilead Sciences's headquarters is listed as Foster City, CA, with a public headquarters address of 333 Lakeside Drive, Foster City, CA 94404. Executive, investor, legal, finance, and enterprise procurement routes are usually tied to this corporate center even when the operational buyer sits elsewhere.
What other offices does Gilead Sciences have?
The footprint includes Foster City, CA, Santa Monica, CA, Seattle, WA, Morris Plains, NJ, Dublin, Ireland, Cambridge, UK, Tokyo, Japan. For healthcare companies, these locations often split by business-unit leadership, R&D, manufacturing, distribution, commercial teams, technology, clinical operations, laboratory operations, and international market coverage.
What Gilead Sciences's office footprint means for territory planning
Territory planning should not treat the headquarters as the only buyer location. Field events and account mapping should follow business-unit hubs, hospital or clinic markets, laboratory and manufacturing nodes, technology centers, and executive travel patterns. Time-zone coverage matters because approvals can involve stakeholders across multiple regions.
As of June 2026.Sources:Gilead Sciences websiteGilead Sciences annual reportsGilead Sciences contact
Gilead Sciences — frequently asked questions
