WorkOS
WorkOS is an enterprise authentication and identity infrastructure platform founded in 2018 by Michael Grinich, formerly of MIT and founder of Nylas. It provides single sign-on, directory sync, and audit-log tooling that lets software companies, including major AI labs, sell to large enterprises without building that infrastructure themselves, and has raised roughly $198 million.
X / workosNotable people
People map
Current peopleNotable public-facing people we cover. Grouped by public roles, not reporting lines; this is not a complete staff directory.
Leadership
- Michael Grinich
Founder and CEO
Product & engineering
- Zack Proser
AI Engineer, Applied AI · 2025 – Present
- Nick Nisi
Staff Engineer / Engineering Manager, DX / AI
Tools
- WorkOSworkos.com
B2B auth platform providing enterprise SSO, SCIM directory sync, OIDC, magic auth, and audit logs.
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