Charles Thomas Hallmark, PhD, PG, of Hearne is a Professor Emeritus in the Texas A&M University Soil and Crop Sciences Department. He is a former member of the American Registry of Certified Professionals in Soil Science, a current member and past President of the Professional Soil Scientists Association of Texas, and past President of the Post Oak Soil and Water Conservation Society. He is also a past member of the Soil Scientists Certification Board, the American Society of Agronomy, and the Soil Science Society of America. Hallmark served in the U.S. Army. He received a Bachelor’s degree from Texas Technological College, a Master’s degree in Soil Science from Texas Tech University, and a Doctorate of Pedology from Ohio State University. Currently, he is serving a second appointment to the Board, and his term is set to expire February 1, 2019.