Dave Shreiner, director of graphics technology at ARM, Inc., was a longtime member of the core OpenGL team at SGI. He authored the first commercial OpenGL training course and has been developing computer graphics applications for more than two decades.
Randi Rost was a core contributor to the development of the OpenGL Shading Language and the OpenGL API that supports it. He is also one of the first programmers to design and implement shaders using this technology. Randi works at Intel.
Bill Licea-Kane is principal member of technical staff at AMD and has been chair of the ARB OpenGL Shading Language workgroup since its inception. He has taught several courses in OpenGL Shading Language at both SIGGRAPH and GDC. Bill works in the
OpenGL Group at AMD.