Prior to joining Visa, Mahon Tullier worked at PepsiCo, Inc. as Senior Vice President and Deputy General Counsel, managing the global legal teams supporting the business around the world, as well as centralized teams responsible for mergers and acquisitions, intellectual property, regulatory, litigation and procurement legal matters. She also served as Senior Vice President and General Counsel for PepsiCo's Asia Pacific, Middle East and Africa division, based in Dubai.