NWRC Staff List

NWRC Staff - Primary Contacts


The NWRC employs approximately 150 research scientists, support scientists, biologists, chemists, technicians, and administrative and support staff at its headquarters office in Fort Collins, Colorado, and several field stations across the United States.  Below are the names, contact information, and expertise for employees who serve as the primary contacts for the Center’s research efforts and support functions.


Director's Office (Fort Collins)
Larry Clark, PhD, Director
Mark E. Tobin, PhD Assistant Director
Thomas J. Deliberto, DVM, Assistant Director
Thomas Gidlewski, DVM, Program Manager, Surveillance/Biological Labs
Gordon R. Gathright, DVM, Supervisory Veterinary Medical Officer
Kristine A. Tadros, Administrative Officer

Research Staff  (Fort Collins, CO)

Aaron M. Anderson, PhD, Economist
John A. Baroch, Wildlife Disease Biologist
Sarah Bevins, PhD, Research Biologist 
Are R. Berentsen, Wildlife Biologist
Stewart W. Breck, PhD, Wildlife Biologist
James C. Carlson, MS, Wildlife Biologist
Douglas C. Eckery, PhD, Research Physiologist 
John Eisemann, MS, Program Manager Technology Transfer
Richard M. Engeman, PhD,  Research Biologist
Justin W. Fischer, MS, Wildlife Biologist
Alan B. Franklin, Supervisory Research Biologist
Dr. Amy T. Gilbert,  PhD, Research Biologist
David A.Goldade, MS, Chemist
Dr. Katherine E. Horak, Research Biologist (Toxicologist)
Shylo R. Johnson, Biologist
Dennis Kohler, Wildlife Disease Biologist
Michael J. Lavelle, Wildlife Biologist
Mark W. Lutman, Wildlife Disease Biologist
Richard E. Mauldin, MS, Chemist
Tracy Nichols, PhD,  Molecular Biologist
Kim M. Pepin, PhD,  Research Biologist 
Kerri Pedersen, Wildlife Disease Biologist
Toni Piaggio, PhD, Research Biologist (Genetics)
Craig A. Ramey, PhD, Wildlife Biologist
J. Jeffrey Root, PhD, Research Wildlife Biologist

Aaron B. Shiels, PhD, Research Biologist
Brandon S. Schmit, Wildlife Disease Biologist
Susan A. Shriner, PhD, Research Biologist
Stephanie A. Shwiff, PhD, Research Economist 
Randal S. Stahl, PhD, Chemist
Heather J. Sullivan, Biologist
Kaci K. VanDalen, Biologist
Kurt Vercauteren, PhD, Research Wildlife Biologist
Steven F. Volker, Chemist
Scott J. Werner, PhD, Research Wildlife Biologist
Gary W. Witmer, PhD, Research Wildlife Biologist

Field Stations:

Philadelphia, PA   
Bruce Kimball, PhD, Research Chemist

Fargo, ND
Page E. Klug, PhD, Supervisory Research Wildlife Biologist

Hilo, HI
Shane R. Siers, PhD, Supervisory Research Wildlife Biologist
Dean Foster, MS, Wildlife Biologist

Sandusky, OH
Travis L. DeVault,  PhD, Supervisory Research Wildlife Biologist
Brian E. Washburn, PhD, Research Wildlife Biologist
Brad F. Blackwell, PhD, Research Wildlife Biologist
Thomas W. Seamans, MS, Wildlife Biologist

Starkville, MS
Frederick L. Cunningham, DVM, Research Biologist
Brian S. Dorr, PhD, Research Wildlife Biologist
D. Tommy King, Research Wildlife Biologist

Logan, UT
Julie K. Young, PhD, Supervisory Research Wildlife Biologist
Eric M. Gese, PhD, Research Wildlife Biologist
Stewart Breck, PhD, Research Wildlife Biologist (Located in Fort Collins, CO

Corvallis, OR
Jimmy D. Taylor II, PhD, Supervisory Research Wildlife Biologist

Gainesville, FL
Michael L. Avery, PhD, Supervisory Research Wildlife Biologist
Eric A. Tillman, Wildlife Biologist
John S. Humphrey, Wildlife Biologist

Supporting Services (Fort Collins, CO)

Jennifer M. Edwards, Supervisory Technical Information Specialist
Laura Greiner, Quality Assurance Officer
Gail M. Keirn, MS, Legislative and Public Affairs
Jeanette O'Hare, MS, Pesticide Registration Specialist

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