Wittliff is also Lyle alumni and CEE Adviosry Board member
| Dan Wittliff|
Since joining NSPE in 1972, Wittliff has served in various leadership positions including president of the Abilene Chapter and the Texas Society of Professional Engineers where he was honored as Engineer of the Year in 1998 and Distinguished Engineer of the Texas Engineering Foundation in 2001. At the national level, Wittliff chaired the national membership committee for three years and served on the NSPE Board of Directors as Regional Vice-President, Regional Director, and Director Membership at Large for four of the last five years. He was made a Fellow of NSPE in 2004.
Licensed to practice in Texas and Tennessee, Wittliff serves as Managing Director of Environmental Services with GDS Associates, Incorporated in Austin, Texas. He manages complex and multi-media (e.g., air, water, wastewater, and solid waste) environmental and energy projects. Prior to joining GDS Associates, Wittliff was Principal of Dan Wittliff Consulting, PLLC.
From 1995 through 1999, Wittliff served as the first Chief Engineer for the Texas Natural Resource Conservation Commission (TNRCC, now Texas Commission on Environmental Quality). Before service with TNRCC, Wittliff served in several supervisory positions with West Texas Utilities Company, Abilene, TX managing and monitoring power station performance to include issues related to air pollution, water treatment, industrial hygiene, and solid waste disposal.
He also serves on the Board of Advisors to the Civil and Environmental Engineering Department of Southern Methodist University (SMU) where he taught a graduate course in construction management and graduated with a BS in mechanical engineering in 1972. He earned a MBA from the University of Oklahoma in 1975.
Wittliff also serves on the Board of Trustees for the American Academy of Environmental Engineers.
Wittliff retired in 2002 from the United State Air Force Reserve at the rank of colonel. His active duty career included a stint as the commander of communications organization on a mountaintop in Central Turkey. His military awards and distinctions include the Legion of Merit, Meritorious Service Medal with five oak leaf clusters, Outstanding Graduate of Air War College, and the Air Force Communications-Electronics Professionalism Award.