Geology and Environmental Sciences Faculty & Staff Staff Barbara Sheldon Administrative Assistant 1 (Secretary) (716) 673-3303 Faculty Dr. Wentao Cao Assistant Professor (716) 673-3884 Dr. Justin Conroy Interim Chair (716) 673-3303 Hung Ha Lecturer (716) 673-3842 Dr. Thomas Hegna, Ph.D Assistant Professor (716) 673-3840 Dr. Matthew Purtill Assistant Professor (716) 673-3817 Kim Weborg-Benson Lecturer (716) 673-3674