David Rosier
David Rosier
Senior Researcher 
Field Studies
David holds an M.S. from the University of Michigan’s School of Natural Resources and Environment. He is an experienced field biologist who has worked as a field crew member and crew leader for seven field seasons of U.S. EPA’s National Aquatic Resource Surveys. Other GLEC field experience includes relicensing of hydroelectric facilities, rapid bioassessments (e.g., Michigan Procedure 51), habitat assessment, and sediment and water sample collection. He is expert at collecting, preserving, and identifying larval and adult fish samples and in applying GPS/GIS tools to field research and reporting. David is an experienced Vibracore operator and is certified in first aid and CPR, as well as 29 CFR 1910.120 HAZWOPER.


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GLEC operates one of only a few U.S. laboratories accredited for whole sediment toxicity testing. GLEC also maintains NELAP accreditation for chlorophyll and nutrient chemistry testing.


GLEC's Columbus, OH laboratory is ADEQ accredited for Acute Toxicity and Chronic Toxicity testing.



Great Lakes Environmental Center

739 Hastings Street
Traverse City, MI   49686

Phone: (231) 941-2230
Fax: (231) 941-2240