Bryan O'Sullivan is chief technology officer at Voxel, the industrial computer vision and safety company, leading engineering and technical strategy. He joined in July 2025 after nearly three years as SVP of software at Zoox, where he led the team that took the robotaxi from closed-course testing to driverless operation on public roads. Before that he spent a decade at Meta, rising from engineering manager to VP of engineering. He co-authored the books Real World Haskell and Mercurial, and holds a BA in computer science from Trinity College Dublin.