Bel Curcio (@okbel)

I’m Bel Curcio, an Engineering Director at Vercel and Head of Accounts, Identity & Access.

I lead the team behind the systems that help people and organizations sign in securely and control who can access what. Together, we’ve shipped passkey login, two-factor authentication and team-wide enforcement, Access Groups and role-based access control, OIDC federation, Enterprise Managed Users, and many moreSome identity launches with my teamEnterprise Managed Users · Project-scoped Tokens · Custom OIDC Token Audiences · New token formats and secret scanning · Expanded RBAC for Enterprise teams · New Vercel CLI login flow · 2FA team enforcement · Faster login and Google Sign-in · Secure Compute for multiple environments · Two-factor authentication · Claim Deployments.

I’ve spent more than six years at Vercel, where I previously led Solutions Engineering. Before that, I worked as an engineer at Mozilla and R/GA.

I care about secure platform primitives, thoughtful product engineering, and building strong teams. Here is where I write about software, engineering management, science, and life.

You can find me as @okbel on X.