Primary Job Title Director Primary Organization 
Frost Bank
Gender Male
During his 37-year tenure with Southwestern Bell Corporation, which became AT&T, Inc., Royce Caldwell served as vice chairman, chief operating officer and a director, as well as chairman and chief executive officer of Ameritech, Pacific Bell Corp., Southern New England Corp., and Prodigy Corp. He also served as president and chief executive
officer of Southwestern Bell Corp., also serving on its board of directors. In addition, Caldwell served on the board of directors of Telmex. After retiring from AT&T, Caldwell was lead director on the board of Sabre Holdings Corporation, a travel marketing, distribution and technology company in Dallas. A San Antonio native, he graduated from Abilene Christian University with a BBA. Caldwell is lead director for Cullen/Frost Bankers, Inc.
