Board of Trustees

The Board of Trustees for the Upper Trinity Conservation Trust consists of nine members. Trustees serve staggered three-year terms, with three positions expiring each year. There are three Officer positions – President, Vice President, and Secretary/Treasurer – who are elected by the Board of Trustees. As of February 8, 2024, there are two vacancies on the Board of Trustees. If you are interested in serving on the Board, please contact us by

or call (972) 219-1228.

The Board of Trustees follow the Open Meetings Acts requirements, including

announced through Denton County. All are posted to the Trust’s website.

Our Trustees have decades of experience and depth of knowledge in engineering, land management, agricultural production, environmental studies, education, and civics. The Trustees, some of whom are landowners themselves, are dedicated to preserving our precious natural resources “right where we live.”

Our Trustees

Mr. Trent Lewis - President of the Board of Trustees

An aquatic biologist and owner of a successful fisheries and aquatic amenity management company with a passion for watershed protection.

Mr. Thomas Muir - Vice President of the Board of Trustees

Mayor of the City of Sanger, third generation landowner in Denton County, Certified Public Accountant, Member of the Denton County Soil and Water Conservation District Board of Directors.

Ms. Leslie Maynard - Secretary/Treasurer of the Board of Trustees

Community and church leader with a passion for sailing and protecting lakes.

Mr. Lyle Dresher

An experienced City Manager with extensive knowledge in urban land planning and U.S. Navy Veteran.

Mr. Robert Harpool

A landowner with special interest in conservation and protection of water resources, with a strong family heritage of farming and ranching in north Texas.

Mr. Russ McNamer

A lawyer, active participant in citizen science, and member of the Flower Mound Environmental Conservation Commission with a passion to protect watersheds.

Ms. Lissa Shepard

Senior Bridge Engineer and Floodplain Manager for Dallas County Public Works and resident of the City of Celina.