Helen Mango received her B.A. from Williams College and her M.S. and Ph.D. from Dartmouth College. She has been teaching geology and chemistry at Castleton since 1991. Her research interests include the geochemistry of ore deposits, the contamination of groundwater by metals such as uranium and arsenic, and geoscience education. She always includes undergraduates in her research, and often weaves the material directly into her courses.