Dan J. Wittliff, PE, BCEE, FNSPE

Title: Managing Director
of Environmental Services
Company: GDS Associates, Inc.
Location: Austin, TX United States


  • American Academy of Environmental Engineers and Scientists (board of trustees, 2010-2015)
  • Armed Forces Committee Electrical Association
  • Beta Gamma Sigma
  • Electric Reliability Council, Texas (chair, waste task force, 1992-1995)
  • Lyle School of Engineering, Mechanical Engineering Department (board of advisors, 2018-Present) (executive board, 2017)
  • National Society of Professional Engineers (chair, policy and advocacy committee, 2015-2019) (fellow, president, 2012-2013)
  • Pi Tau Sigma
  • Society of American Military Engineers
  • Southern Methodist University, Environmental and Civil Engineering Department (board of advisors, 2001-Present)
  • Texas Alliance for Minorities in Engineering (board of directors, 1996-2002)
  • Texas Engineers Task Force on Homeland Security (vice chairman, 2001-2007)
  • Texas Society Professional Engineers (member, state water committee 1995-2007) (past chapter president, 1994-1995) (state president, 2002-2003)
  • West Texas University, United Way Campaign, Abilene, TX (chair, 1994-1995)


  • Honoree, Distinguished Worldwide Humanitarian Award (2019)
  • Inductee, Top Professionals of the Year, Marquis Who’s Who (2019)
  • Recipient, Albert Nelson Marquis Lifetime Achievement Award (2019)
  • Presidents Awards, National Society of Professional Engineers (2018, 2016, 2010)
  • National Society of Professional Engineers Award (2017)
  • Featured Listee, “Who’s Who in America,” Marquis Who’s Who (1998-2004)
  • Featured Listee, “Who’s Who in Science and Engineering,” Marquis Who’s Who (2004, 1997)
  • Distinguished Engineer, Texas Engineering Foundation (2001)
  • Featured Listee, “Who’s Who in Finance and Industry,” Marquis Who’s Who (1999)
  • Featured Listee, “Who’s Who in the South and Southwest,” Marquis Who’s Who (1998)
  • Honoree, Engineer of the Year, Texas Society of Professional Engineers (1998)
  • Honoree, Travis County Engineer of Year (1998)
  • Honoree, Outstanding Graduate, Air War College
  • Recipient, Air Force Communications-Electronics Professionalism Award
  • Recipient, Legion of Merit Award
  • Recipient, Meritorious Service Medal with Five Oak Leaf Clusters, United States Armed Forces

Contact Dan J. Wittliff


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