IHI Employee Directory
Hospitals and Health CareMassachusetts, United States501-1000 Employees
IHI has about 796 employees across 6 continents, most of them in North America. By country, the largest groups are United States Of America (61%), Japan (6%) and Tanzania (5%). Program & Project Management and Education make up 45% of the profiles with a known department. IHI's workforce spans 27 departments. IHI's workforce fell 24% between July 2025 and July 2026.