Obie Fernandez, Chief Technology Officer of Lean Startup Machine, has been hacking computers since he got his first Commodore VIC-20 in the 1980s. He helped program some of the world’s first Java enterprise projects and founded Atlanta’s Extreme Programming User Group (later Agile Atlanta). At world-renowned consultancies ThoughtWorks and his own Hashrocket, Obie focused on tackling high-risk projects, including some of the world’s first enterprise Ruby on Rails projects.

Kevin Faustino, Founder and Chief Craftsman of Remarkable Labs in Toronto, Canada, has specialized in Ruby since 2008. He founded the Toronto Ruby Brigade, which hosts tech talks, hack nights, book clubs, and other events.