Stephen DiBiagio has been named senior vice president, business development for PHH Arval. DiBiagio will assume the role formerly held by George Kilroy, who was promoted to president and CEO. DiBiagio will be responsible for new client sales and client relations for PHH Arval’s domestic U.S.-based operations. He will report directly to George Kilroy and join PHH’s Senior Leadership Team. His previous position was regional vice president in charge of the company’s Eastern region.