 ALPHARETTA, Ga.--BUSINESS WIRE--Priority Technology Holdings, Inc. NASDAQ: PRTH Priority, a leading provider of merchant acquiring, integrated payment software and commercial payment solutions today announced Stephen W. Hipp and Marietta C. Davis have joined its board of directors. Hipp will succeed William Billy Gahan who has joined Priority as its vice president focused on institutional partnerships and is retiring from the board effective immediately. Davis will succeed Matthew Kea 