Lewis McMahan

Last modified on: 09-12-2026 16:04:22

Back to Trinity River Authority of Texas

Director
(Trinity River Authority of Texas)

Entered Office: 12-10-2019 Term Ends: 03-15-2029

General Information

Home Town: Dallas

Personal Information

Lewis McMahan of Dallas is retired after a 37-year career at Texas Instruments, working in the worldwide facilities/environmental health and safety organization. He served as its leader from 1998 until his retirement in December 2005. He is a member of the Southern Methodist University (SMU) Lyle School of Engineering Advisory Board. He is the former Chairman of the Texas Instruments Foundation Board, and a former member of the Texas Water Development Board, Texas Instruments Alumni Association, Dallas Museum of Art, and The United Way of Metropolitan Dallas. McMahan received a Bachelor of Science in Civil Engineering from SMU. Reappointed 8/11/26

Office Information

Dallas County

Since 1935 the Texas State Directory has been a trusted resource and has been referred to as the bible for anyone working in or wanting to learn about state, city and county government.

Useful Links

Contact Us

Texas State Directory Press
1800 Nueces St.
Austin, Texas 78701
(512) 473-2447
Contact Us

2026 © All Rights Reserved. Privacy Policy | Terms of Service