Herman Ringler has been at the forefront of the development of THF since inception. He is the first Chairman of THF. His family owned and operated a ladies clothing store on Main Street in Denison for over 60 years before it was sold in 2006. He has a long history of service to Texoma. In addition to THF, he currently serves on the Board of the Denison Education Foundation. His wife Julia was an educator in Denison for over 36 years.