by Michael Hartl
at RubyConf 2019 on Nov 18th, 2019

by Michael Hartl
at RailsConf 2018 on Apr 18th, 2018

by Jim Remsik , Rich Kilmer , Nadia Odunayo , Michael Hartl & Allison McMillan
at RubyConf 2017 on Nov 17th, 2017

by Yurie Yamane , , Miki Rezentes , Olivia Brundage , Jeff Foster , Jonathon Slate , Ryder Timberlake , Caroline Jobe , Victoria Gonda , Sam Phippen , Jen Pengelly , André Arko , Kate Rezentes , Chris Vannoy , Michael Hartl , Michael Cain , Starr Chen , Jamie Gaskins , Andrew Faraday , Kei Nawanda , Mischa Lewis , Francois Lapierre Messier , Amy Howes , Assaf Hefetz , James Thompson & Noah Gibbs
at RubyConf 2016 on Nov 11th, 2016

by Michael Hartl
at RubyConf 2014 on Nov 17th, 2014

by Michael Hartl
at RailsConf 2013 on Apr 30th, 2013

by Michael Hartl
at RailsConf 2012 on Apr 23rd, 2012