He currently serves as the president of the Waller Area Chamber of Commerce, in addition to serving as a director of the Waller County Toll Road Authority and as a director and vice president of Citizens for a Better Waller County. He was recently appointed to the Transportation Commission's citizen's Advisory Committee on the TTC-69. Trey graduated from Texas A&M University cum laude in 1992 and the University of Houston Law Center in 1995. He currently lives in the Fieldstore area just south of the Waller/Grimes County line with his wife, Jennifer.