Portland, OR-based NW Natural named industry veteran Frank Burkhartsmeyer as its CFO. Most recently, Burkhartsmeyer was CEO at Avangrid Renewables and a senior vice president at Iberdrola Renewables U.S. Prior to his stint in the renewables sector, he held various director-level positions with PPM Energy and PacifiCorp when they were U.S. subsidiaries of ScottishPower. Burkhartsmeyer holds an MBA from the University of Oregon.