All of them

Peter Bourgon


Go evangelist and SoundCloud engineer

Peter is a software engineer focusing on large-scale distributed systems. He's been writing Go since its public release in 2009, and is a huge fan of its simplicity and pragmatism. Peter lives in Berlin and works at SoundCloud, building the data systems and infrastructure that power the world's leading audio platform.


José Valim


Creator of Elixir

José Valim is creator of Elixir and member of the Rails Core Team. He is also co-founder of Plataformatec, a consultancy based in Brazil, and an active conference speaker.


Steve Klabnik


Rails Core Committer & Author of Rails 4 in Action

Steve is a long time Rails core comitter and author of Designing with Hypermedia API's, Rust for Rubyists, and Rails 4 in Action. Currently Steve is providing his documentation expertise to Mozilla to improve and expand the Rust documentation.


Fred Hebert


Author of Learn You Some Erlang For Great Good

Fred is author of Learn You Some Erlang For Great Good, he's worked on writing and teaching training course material for Erlang Solutions Ltd, then moved to writing Real Time Bidding software with Erlang for AdGear. More recently, he joined Heroku's routing team, working on large scale distributed systems in the cloud.