Theresa Crimmins

Research Professor

Director, USA National Phenology Network


Theresa’s research addresses patterns and drivers of phenology (the timing of seasonal events in plants and animals) as well as facets of citizen science and engaging non-scientists in documenting the plant and animal life around us.


Theresa is a faculty team member in the Integrated Climate Research: Ecosystems, Water, and Weather (ICREWW) Vertically-Integrated Project. She mentors undergraduate and graduate students in phenology-related research projects.


  • Ph.D., 2005, School of Renewable Natural Resources, University of Arizona, Tucson, AZ
  • M.A., 1999, Geography, Western Michigan University, Kalamazoo, MI
  • B.S., 1997, Biological Sciences, Western Michigan University, Kalamazoo, MI