Jon is a Principal Engineer at Helsing where he develops safety-critical defense systems in Rust; he's the author of the intermedia Rust book "Rust for Rustaceans"; and he's an avid Rust educator with over 200 hours of tutorials and live coding videos on YouTube. Before Helsing, Jon maintained the Rust build infrastructure at AWS, and in his spare time he maintains a number of open-source tools and libraries written in Rust. He has a PhD from the Parallel and Distributed Operating Systems group at MIT, where he built a new database engine from scratch , which today continues in the form of the start-up "ReadySet".