Brett J. Hart is president of United Airlines. In this role, Brett is responsible for leading the company's external-facing functions including the government affairs, regulatory, corporate communications, advertising, market and community innovation, legal, global community engagement and environmental sustainability teams. He also oversees business-critical functions such as the customer experience, corporate real estate, human resources and labor relations teams.

Previously, Brett served as executive vice president and chief administrative officer for United, where he oversaw the company's legal and environmental affairs; corporate security; corporate real estate worldwide; government affairs; community affairs; and international, regulatory and policy matters for the airline. Prior to joining United in 2010, Brett was executive vice president, general counsel and corporate secretary at Sara Lee Corporation, where he directed global legal operations for the corporation. After joining Sara Lee in 2004 as assistant general counsel, Brett held positions of increasing responsibility including deputy general counsel and global compliance officer. Before joining Sara Lee, Brett was a partner at Sonnenschein Nath & Rosenthal in Chicago. Prior to that, he served as special assistant to the general counsel at the U.S. Department of Treasury in Washington, D.C.

Brett received his Bachelor of Arts in philosophy and English from the University of Michigan and a Juris Doctor from the University of Chicago Law School. He is married and has three sons.