Patrick Cozzi leads the graphics development of Cesium, an open source WebGL virtual globe for the aerospace, defense, and GIS communities, at Analytical Graphics, Inc. He also teaches GPU programming and architecture at the University of Pennsylvania, where he earned a master's degree in computer and information science.
Christophe Riccio currently works for AMD and is an active member of the OpenGL community, contributing to OpenGL specifications, developing tools for the official OpenGL SDK, and writing articles at G-Truc Creation. He previously worked at e-on software and Imagination Technologies. He earned a master's degree in computer game programming from Teesside University.