GRAIL Employee Directory
Biotechnology ResearchCalifornia, United States1001-5000 Employees
GRAIL has about 1.1K employees across 3 continents, most of them in North America. By country, the largest groups are United States Of America (94%) and United Kingdom Of Great Britain And Northern Ireland (4%). Engineering and Sales make up 33% of the profiles with a known department. GRAIL's workforce spans 31 departments. GRAIL's workforce fell 14% between July 2025 and July 2026.