National Society of Professional Engineers

Dan J. Wittliff, P.E., DEE, F.NSPE

Dan J. Wittliff, P.E., DEE, F.NSPEAn NSPE member since 1972, Mr. Wittliff has held many and varied volunteer leadership positions with the Society including member of the Board of Directors and House of Delegates. Most recently he helped found and chaired the Software Engineering Licensure Consortium. He currently represents NSPE on the Board of Trustees for the American Academy of Environmental Engineers & Scientists. A longtime member of the Texas Society of Professional Engineers, he has served as president of the Abilene Chapter and president of 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. In 2010 he was the recipient of the NSPE Presidential Award and in 2004 was named an NSPE Fellow.

Mr. Wittliff is managing director of Environmental Services for GDS Associates in Austin. Prior to joining GDS Associates, he was principal of Dan Wittliff Consulting and vice president and chief operating officer of HydroProcessing. He has also served as the first chief engineer for the Texas Natural Resource Conservation Commission (TNRCC) and as manager of environmental services with West Texas Utilities.

In 2002 Mr. Wittliff retired from the United States Air Force Reserve at the rank of colonel. 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.

Licensed as a professional engineer in Texas and Tennessee, Mr. Wittliff is a 1972 graduate of Southern Methodist University (SMU) earning a Bachelor of Science degree in mechanical engineering. He holds a Master of Business Administration from the University of Oklahoma.