Alex Gaynor is a software security engineer. He's a founder and principal at Fish in a Barrel, working on systemic solutions to classes of vulnerabilities. He's previously been Chief Information Security Officer at Alloy and an engineer at Mozilla and the United States Digital Service. Alex has a long history of contribution in open source, from building a JIT'd Ruby VM to serving on the Board of Directors of the Python Software Foundation. Alex lives in Washington, D.C.