Sau Sheong Chang
available on Confreaks.TV.
Their most popular video is
Sex, Money and Evolution - Simulation and Data Analysis with Ruby and R
which has been viewed
since it was posted on
Programming Complexity: Modeling ...
RedDot Ruby Conf 2016
Rollicking Ruby Robots Rule the ...
RedDot Ruby Conf 2015
Sex, Money and Evolution - Simula...
RubyConf India 2012