San Diego — Jack in the Box Inc. has appointed Darin Harris as chief executive officer. He will also join the board of directors, both effective on the start of his employment no later than June 15, 2020. The board has elected David Goebel to serve as non-executive chairman of the board. Harris has more than 25 years of experience leading franchised and corporate multi-unit retail and service businesses. Most recently, Harris has served as CEO of North America for IWG PLC (IWG), the holding group for several leading providers …