Faculty Ben Surpless, Ph.D. Department Chair Professor Graham Edwards, Ph.D. Assistant Professor Xiwei Guo, Ph.D. Assistant Professor Kurt Knesel, Ph.D. Assistant Professor Daniel Lehrmann, Ph.D. Gertrude and Walter Pyron Professor Cait Livsey, Ph.D. Assistant Professor Kathleen Surpless, Ph.D. Imogene & Harold Herndon Professor Staff Tracy Berg Business Operations Specialist I - CSI Leslie F. Bleamaster III, Ph.D. Director of Operations: D. R. Semmes School of Science, & Part-time Faculty Richard Silver Lab & Field Science Technician Faculty Emeriti Walt Coppinger, Ph.D. Professor Emeritus Thomas Gardner, Ph.D. Professor Emeritus Glenn Kroeger, Ph.D. Professor Emeritus Diane Smith, Ph.D. Professor Emerita Contact Us Marrs McLean Hall, Room 250 210-999-7092 210-999-7090 geosciences@trinity.edu