Michael Lewellen

Michael Lewellen is Head of Solutions Engineering at Turnkey, where he leads integrations of verifiable key management and institutional wallet infrastructure built on secure enclaves. He spent three years at OpenZeppelin managing protocol security audits and advising teams on access control and upgrade safety, and serves on the security councils for Compound and Arbitrum — where he's worked through oracle incidents, integration failures, and governance risk in live lending markets. With 12+ years in digital assets, he is a Research Fellow at Coin Center and lectures on blockchain technology at the University of Texas at Dallas.