Over his career, Jon Moore has been a researcher, management consultant, network engineer, small business owner, tech lead, architect, and technology executive. He is equally comfortable leading and managing teams and personally writing production-ready code. His current interests include distributed systems, fault tolerance, refactoring, building healthy and engaging engineering cultures, and Texas Hold'em. Jon received his Ph.D. in Computer and Information Science from the University of Pennsylvania and currently resides in West Philadelphia, although he was neither born there nor raised there and does not spend most of his days on playgrounds.