Greg Mumford has been appointed chief technology officer (CTO) of Nortel Networks Corp, Brampton ON, capping a 30-year career with the telecommunications networking giant. Mumford will report directly to Frank Dunn, Nortel’s recently installed president and CEO, and will be based at the firm’s central laboratories in Ottawa. He moves to CTO after serving as president of Nortel’s optical long haul business unit which developed a 40Gbps optical line system and OPTera Connect HDX, a leading-edge optical switch. As CTO, Mumford will be