Alex is a software resilience engineer. He's a founder and principal at Fish in a Barrel, working on systemic solutions to classes of vulnerabilities. He currently works for the US Government at the United States Digital Service. He's previously been Chief Information Security Officer at Alloy and an engineer at Mozilla. 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.