Comcast appoints Lance West, ex-American Petroleum Institute, as executive vice president-federal government affairs and head-Washington, D.C., office, effective Sept. 3 (see 2407290039) ... Networking company ZeroTeir names 7percent Ventures’ Andrew Gault CEO ... Electronics solutions provider Radwell appoints Chris Snodgrass, ex-Caterpillar, CEO, effective Aug. 5 ... NAB appoints Nexstar’s Michael Biard to board ... Data infrastructure company NetApp nominates June Yang, ex-Google, to stand for election to board on Sept. 11.