Laurent Sansonetti (lrz)
Laurent is the founder of HipByte and lead developer of RubyMotion. He worked at Apple for 7 years as a senior software engineer, on both iLife and OS X. A long time rubyist, he created and still maintains the MacRuby project. In a previous life, he worked on IDA Pro and was an active contributor to RubyCocoa and GNOME.