Matthew McCullough has many years of experience teaching GitHub and Git courses. He is a co-author of O’Reilly’s Git Master Class, with Tim Berglund. He authored DZone’s Git RefCard, as well as the Git modules in “Jenkins: The Definitive Guide”.
Brent Beer is an experienced Rubyist with a passion for teaching Git to people of both technical and non-technical backrounds.
John Britton is a developer and community builder, active in both open source and open education. As Education Liaison at GitHub he's working to improve computer science education by bringing the principles of open source into the classroom.
Peter Bell is a veteran teacher who brings a Ruby on Rails and ColdFusion background to in-person classrooms up and down the North East US. He is also a published author in IEEE, Dr. Dobbs, and IBM journals.