NW Natural‘s board of directors on Monday named COO David Anderson president of the Portland, OR-based natural gas-only distribution utility, effective Aug. 1. Anderson will continue to serve in his COO role. Previously, Anderson has served as executive vice president for operations/regulation, senior vice president and CFO, the position he assumed when he joined NW Natural in 2004. Earlier, Anderson was CFO and a senior executive with TXU Gas and its holding company, TXU Corp.