How Many People Work at Orca Bio? Headcount and Employee Trends

Orca Bio is a biotechnology company that develops precision cell therapies and employs roughly 140 professionals. The organization expanded its workforce by hiring 32 people while 7 employees departed, resulting in steady double-digit headcount growth. This balanced expansion underscores ongoing investment in research, clinical operations, and corporate infrastructure to support its therapeutic pipeline.

Engineering is Orca Bio’s largest team with 43 employees, accounting for about one-third of the company’s total staff and highlighting the technical focus required for advanced cell therapy manufacturing. Healthcare and Operations follow closely with 20 employees each, reflecting the company’s clinical orientation and the operational rigor needed in regulated environments. Business Management (15 employees), Quality (10), and Finance & Administration (9) provide essential support functions, while Marketing & Product (8) drives market readiness. Smaller groups in Risk, Safety & Compliance and Sales & Support ensure governance and customer engagement, and an additional 7 employees are distributed across other specialized roles.

Orca Bio’s workforce is primarily based in California. Sacramento hosts the largest contingent with 46 employees, leveraging proximity to the company’s manufacturing and R&D activities. The San Francisco office employs 24 people, offering access to the Bay Area’s biotech ecosystem. Beyond these hubs, staff are spread across Seattle, Los Angeles, Palo Alto, and several smaller sites such as Bloomington, Hayward, West Sacramento, and Vacaville. An additional 47 employees are categorized under other or remote locations, indicating a flexible approach to talent placement.