Stacey LettiniStacey Lettini is an associate professor of biology at Gwynedd Mercy University, where she teaches courses in ecology, microbiology, and general biology, and supervises student research projects. She holds a Ph.D. in ecology and evolution and B.S. inanimal sciences from Rutgers University. Her research interests include the diversity and functional role of bacteria and fungi in soil and freshwater ecosystems. Read More Read Less