Recent years have seen rapid advances in various grid-related technologies, grid middleware as well as grid applications. The GCC conference has become one of the world-wide largest scientific events in the area of grid and cooperative computing. The 6th international conference on grid and cooperative computing (GCC2007) is to be held from August 16 to 18, 2007 in Urumchi, Xinjiang, China. Located at the northern foot of the snow-capped Tianshan Mountains, Urumchi is the capital of the Xinjiang Uygur Autonomous Region and the last stopover on the westward journey along the "Silk Road".