Thomas W. Horton joined Global Infrastructure Partners as a partner in April of 2019. GIP is a leading independent global infrastructure investor.

Mr. Horton is a former Chairman and Chief Executive Officer of American Airlines.  He was also Chairman of the oneworld®alliance, of which American is a founding member.  Following the merger with US Airways Group, he served as Chairman of American Airlines Group, until 2014. He joined Warburg Pincus as a senior advisor in 2015.

As a Chairman and CEO,  he led American through a  successful restructuring and turnaround which culminated in the merger with US Airways, creating the world's largest airline.

Since beginning his career with American, Horton has held a broad range of leadership positions, including leading American's international business, based in London, and later Chief Financial Officer. 

in 2002, Horton joined AT&T, where he served as Vice Chairman and CFO. In 2005, Horton led the evaluation of strategic alternatives, ultimately leading to the combination with SBC, which formed the new AT&T.

In 2006 he returned to American and was named President in 2010 and Chairman and CEO in 2011.

Horton holds an MBA degree from the Cox School of Business at Southern Methodist University (SMU) and a BBA degree, magna cum laude, from Baylor University. He serves on the Board of Directors of Walmart Inc. and GE. He is the lead director of both companies. He also serves on the Boards of the Cox School of Business at SMU and the National Air and Space Museum. Horton is a commercial and multi-engine rated pilot and an avid runner. He is married with two children.