René Rivera is a contributor to the Boost C++ Libraries and was part of the Release Team, was Testing Manager, and is the author of Boost Predef and Boost Build. He has worked in the game development field since 1998 and has been doing C++ since 1987. He is a co-organizer for the Chicago C/C++ Users Group. Currently he is a Lead Programmer at Disbelief LLC doing contracting for companies doing AAA games and virtual reality development.