Faculty Kathleen Surpless, Ph.D. Department Chair Professor Kurt Knesel, Ph.D. Assistant Professor of Geosciences Glenn Kroeger, Ph.D. Associate Professor Daniel Lehrmann, Ph.D. Gertrude and Walter Pyron Professor of Geosciences Diane Smith, Ph.D. Herndon Professor of Geology Ben Surpless, Ph.D. Professor Brady Ziegler, Ph.D. Assistant Professor Staff Mary Helen Castoreno-Perez Administrative Support Specialist II Richard Silver Lab & Field Technician Contact Us Marrs McLean Hall, Room 250 210-999-7092 210-999-7090 geosadmin@trinity.edu