2018 RubyConf - Graphics and Simulations (and Games), Oh My!
2017 Magmaconf - Level up! Study Groups, Workshops, & Collaborative Learning
2016 Ruby on Ales Conference - Writing a Test Framework from Scratch
2016 MountainWest Ruby Conference - Writing a Test Framework from Scratch
2015 MountainWest Ruby Conference - Standing on the Shoulders of Giants
2013 Cascadia Ruby - Real Craftsmen (can) Create Their Own Tools
2012 Madison Ruby - How to Contribute to Open Source - Holy Crap, Communicate!
2012 Cascadia Ruby Conference - Occupy Ruby - Why we need to moderate the 1%
RubyConf 2007 - Ruby Sadism: Hurting Code for Fun and Profit