How Many People Work at Oklo? Headcount and Employee Trends

Oklo Inc is a renewable energy company with a workforce of roughly 120 employees. Recent staffing data shows the team expanded by close to one-quarter through 29 new hires while experiencing minimal attrition of just two departures. The figures highlight steady growth as the company advances its small-scale nuclear technology projects. Employee additions outpaced exits, contributing to a net increase in headcount.

Engineering is Oklo’s largest function, employing about 61 people and accounting for just over half of total staff, underscoring the technical nature of its clean-energy mission. Commercial and operational support is spread across several midsize groups: Marketing & Product and Business Management each have 11 employees, while Sales & Support and Finance & Administration each employ 10. Smaller yet essential teams in Operations, Risk & Compliance, Legal, IT, and other specialized roles round out the organization. The low overall attrition rate indicates relative stability across these departments.

Oklo maintains a notable presence in California, with 25 employees in San Francisco and smaller clusters in San Jose, Santa Clara, Los Angeles, and San Diego. Additional hubs include New York, Denver, Washington, DC, and Corvallis, Oregon. Nearly half of the workforce—about 59 employees—are categorized under "Other," suggesting a sizeable remote or flexible location segment. This distribution indicates that while headquarters activity is concentrated on the West Coast, the company’s talent network extends across multiple U.S. regions.