TTMA Staff
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Jeff Sims, President

Jeff has been with the TTMA since November of 2000 serving 10 years as the Engineering Manager and now President since July 2010. Jeff also spent 13 years in the trucking industry with Watkins Motor Lines in many capacities including, dispatch, sales, supervisor, and terminal manager of the Battle Creek, MI and Manassas, VA terminals. Jeff holds a BS in Transportation and Physical Distribution from Auburn University, War Eagle!


John Freiler, Engineering Manager

John is in charge of facilitating the work of our Engineering Committee. John got his Bachelor of Engineering in Mechanical Engineering from Steven's Institute of Technology. He worked with the Tank Engineering Committee from 1988 through 2007 as an Associate Member. In 2012, John joined TTMA full time. John and his wife Alison live with their two children in Harpers Ferry WV.

Carrie Renuart, Administrative Manager

Carrie joined TTMA in 2015.  Carrie has been in the association management industry since 2007 and her professional background spans event management, member relations and communications.  Carrie has a Bachelor of Science in Communications from the University of Illinois at Urbana-Champaign. Carrie lives in Warrenton, VA with her husband, daughter and as many dogs as her husband will allow.