Mr. John Legere has agreed to serve as a director of Jaws Mustang Acquisition Corporation. He is an Angel Investor. Mr. Legere served as President and Chief Executive Officer of T-Mobile from 2012 to April 2020. At T-Mobile, he led the creation of the Uncarrier culture, which solved major customer pain points in telecom and resulted in T-Mobile receiving Best Place to Work and J.D. Power Customer Service awards. Prior to joining T-Mobile, from 2001 and 2011, Mr. Legere served as CEO of Global Crossing Limited, a telecommunications company, which he successfully restructured from bankruptcy to a sale to Level 3. Before joining Global Crossing, He was CEO of Asia Global Crossing (Microsoft, Softbank, and Global Crossing joint venture) and President of Dell Computer Corporation's operations in Europe, the Middle East, Africa, and the Asia-Pacific region. Mr. Legere also worked at AT&T for 18 years in a number of senior positions, including President of AT&T AsiaPacific, President of AT&T Solutions Outsourcing Unit, and head of global strategy and development. Mr. Legere received a Bachelor's degree in Business Administration from the University of Massachusetts, a Master of Science degree from MIT (Alfred P. Sloan Fellow), an MBA from Fairleigh Dickinson University, and a certificate from Harvard Business School's Program for Management Development.