Dr. Carri LeRoy is a freshwater ecologist and Associate Professor at The Evergreen State College. She has been studying the streams and rivers of AZ, UT, WA, Chile, and Mount St Helens since 2001.

Carri has a grant from the National Science Foundation to study primary succession in the streams of the Pumice Plain. She is working with undergraduates at Evergreen, USFS scientist Shannon Claeson, and Dr. Deb Finn at Missouri State University to explore willow establishment and how it influences algae, macroinvertebrates, and leaf litter decomposition.