Gay has owned her own interior design business for 35 years and with a background in design and history, she has been involved in numerous preservation projects throughout Texas. She is a graduate of The University of Texas and serves on the School of Architecture’s Advisory Board. Gay has been Vice Chair of the Texas Historical Commission, the first Chairman of the Texas Main Street Project, President of the Heritage Society of Austin and Chairman of the Antique Shows. She serves as a Trustee of the National Trust for Historic Preservation, President of the Friends of the Texas Historical Commission, and is on the Advisory Board of Villa Finale. She is formerly Chair of the Friends of the Governor's Mansion and Chair of the Collections Committee for over 25 years.