Integra Telecom Inc., a provider of telecommunications and Internet services for businesses, reported Wednesday that it has hired Tom Lamb as chief financial officer. Integra said Lamb will be based out of its corporate offices in Portland, Ore., and will report to Dudley Slater, the company's chief executive officer. Integra hailed Lamb as a 25-year veteran of the telecommunications industry. Prior to joining the company, Integra noted, Lamb served as CFO for Ameritech Wholesale Services and Ameritech Network Services. He has also held executive positions in finance for Bell Canada and the AT&T Consumer Group, Integra said.