Dave Shreiner, Director of Graphics and GPU Computing at ARM, Inc., has been active in OpenGL development nearly since its inception. He created the first commercial OpenGL training course and has taught OpenGL programming for twenty years.
Graham Sellers, coauthor of OpenGL SuperBible, manages OpenGL Software Development at AMD. He authored many OpenGL feature specifications and helped bring OpenGL ES to desktop computers.
John Kessenich, OpenGL Shading Language Specification Editor, consults at LunarG, Inc., building compiler technology for GLSL. He helped develop OpenGL 2.0 and OpenGL ES 2.0 at 3Dlabs and Intel.
Bill Licea-Kane is Principal Member of Technical Staff at AMD, coauthor of OpenGL Shading Language Guide, and chairs the OpenGL Shading Language technical subgroup.