United Continental Holdings, Inc. appointed Brett Hart to the newly created position of chief administrative officer and general counsel. In addition to leading the company's legal, corporate real estate, corporate security, community, and government and regulatory affairs teams, Hart will now oversee global communications. He was previously general counsel. Linda Jojo has been named chief digital officer, leading the strategy, development and deployment of United's e-commerce, mobile app and commercial web platforms, in addition to her current responsibility for the company's platforms and analytics. And, Andrew Nocella has been named chief commercial officer, responsible for marketing and MileagePlus. His precious role was chief revenue officer, overseeing the network, commercial and pricing and revenue management strategy.