Trey Knox is a graduate of Texas A&M University. Trey earned his Bachelor of Business Administration in marketing in 2003. He then went on to found Medallion Advertising, a small creative boutique in Houston. Trey left Medallion to join McAllister & Associates in the great city of Austin in October of 2006.

In addition to marketing his own listings, Trey is responsible for the marketing of his fellow agents and a majority of the office's IT requirements. Trey does not care for cats.