Timothy Tsvetkov has 2 videos available on Confreaks.TV. Their most popular video is GC in Ruby from 1.9 to 2.2 which has been viewed 64 times since it was posted on 12/31/2014.
Lambda and Kappa architectures in... at Rails Club 2015 13 total views
GC in Ruby from 1.9 to 2.2 at Svitla Ruby Conference 2014 64 total views