About the Contributors 671
past ten years, Christophe has been an active OpenGL community contributor, in-
cluding contributions to the OpenGL speciﬁcations. Through G-Truc Creation, he
writes articles to promote modern OpenGL programming. He develops tools, GLM
and the OpenGL Samples Pack, which are part of the ofﬁcial OpenGL SDK.
Philip works on shading tools at an animation studio. In his
previous lives he worked on surgery simulators, GPU developer
tools, and GLSL compilers. Philip has written a book on 3D
programming for iOS devices and he has a blog at http://prideout.
net. In his spare time, he can be found walking his dog at the Berkeley Marina.
Omar A. Rodriguez
Omar is a software engineer with I ntel’s Software and Service
Group. He focuses on real-time 3D graphics and game develop-
ment. Omar holds a BS in computer science from Arizona State
University. Omar is not the lead guitarist for The Mars Volta.
Jochem van der Spek
Jochem (1973) studied Media Design at the High School of the
Arts in Utrecht, The Netherlands. Following a short career as
CGI artist and operator of motion capture systems, he created
the indy-game “Loefje,” which is about artiﬁcial biological evolution and various art-
work that focuses on the origin of “alive” motion versus “mechanical” motion. This
work was exhibited in numerous shows and acquired by several museums worldwide.
Recently, he has created the game “StyleClash: The Painting Machine Construction
Kit” and is currently working on a version of Loefje for the iPad.
Dirk Van Gelder
Dirk has worked on tools for rigging, animating, and simulating
characters in the feature ﬁlm industry since 1997. Most recently,
this includes leveraging the GPU for visual detail in animator