Anand Chandrasekher, the senior vice president and general manager of the Ultra Mobility Group (UMG), was the driving force behind the Atom and Centrino Atom low power CPU's. He will be replaced by VP's Mike Bell and Dave Whalen, who will be co-leading the group in Chandrasekher's absence. Intel's site says about the UMG,"This group is responsible for low power Intel® Architecture products, ultra-mobile PC's, mobile internet devices, smart mobile and hand-held market segments." Intel's announcement noted that Chandrasekher would be leaving the company to pursue other opportunities after a long run at the company. He's been with Intel since 1988.