Plumbing Distributors Inc. promoted former SWA President Coley Herrin to CEO. Herrin retains his position as president. Herrin has been with PDI for nearly two decades. “This was an easy decision given Coley’s talents and principles,” PDI Chairwoman of the Board Lyn Wright said. “He works tirelessly to keep PDI’s core values at the forefront of our business.” Wright has served as PDI’s CEO since 2011 and will now focus on her position as chairwoman of the board.