Physical Scientist US Geological Survey
M.S. Student Iowa State University, Ames Iowa
Algal Taxonomist EnviroScience, Inc.
Freshwater Algal Taxonomist EnviroScience
Associate Scientist St. Croix Watershed Research Station, Science Museum of Minnesota
Freshwater and marine diatomist Independent
Technician St. Croix Watershed Research Station
Content Editor, Centric Diatoms Diatoms of North America, Editoral Review Board
Senior Scientist Science Museum of Minnesota
DRWI Project Phycologist Patrick Center for Environmental Research
PhD student Florida International University
Student Plymouth State University
Researcher U.S. Geological Survey