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Cooperative Research Units exist in 41 States at 44 host universities resulting in 43 units subdivided into three regions. The national CRU program office is embedded within the Ecosystems Mission Area at the USGS headquarters in Reston, Virginia. 

CRU Directory of Expertise

Locations

Social Media

Contacts

Kevin L. Pope, PhD

Acting Chief
Cooperative Research Units
Phone
571-548-2420

Don Dennerline, PhD

Acting Deputy Chief
Cooperative Research Units
Phone
706-705-6042

Kevin Whalen, PhD

Supervisory Biologist (West Region)
Cooperative Research Units
Phone
703-269-7711

Lisa Webb, PhD

Supervisory Biologist (Southeast Region)
Cooperative Research Units
Phone
573-540-0634

Sammy King, PhD

Supervisory Biologist (Northeast Region)
Cooperative Research Units
Phone
225-578-7564

Employee Directory

Job Title
Name
Email
Phone
Research Fish Biologist Paul Angermeier, PhD biota@usgs.gov 540-231-4501
Research Wildlife Biologist David Ausband, PhD dausband@usgs.gov
Research Ecologist Javan M. Bauder, PhD jbauder@usgs.gov
Research Wildlife Biologist Clint Boal, PhD cboal@usgs.gov 806-834-6536
Research Fish Biologist Scott Bonar, PhD sbonar@usgs.gov 520-621-1193
Research Fish Biologist Michael Booth, PhD mbooth@usgs.gov
Research Fish Biologist Luke M. Bower, PhD lbower@usgs.gov
Research Fish Biologist Shannon Brewer, PhD skbrewer@usgs.gov 334-844-9237
Research Wildlife Biologist Erin K Buchholtz, PhD ebuchholtz@usgs.gov 970-226-9309
Research Fish Biologist Phaedra Budy, PhD pbudy@usgs.gov 435-797-7564
Research Wildlife Biologist James Cain, III, PhD jwcain@usgs.gov 575-646-3382
Research Wildlife Biologist Raymond R. Carthy, PhD rayc@usgs.gov 352-846-0545
Research Ecologist Anna Chalfoun, PhD achalfoun@usgs.gov 307-766-6966
Research Ecologist Christian Che-Castaldo, PhD cche-castaldo@usgs.gov 608-264-0809
Information Specialist Dawn Childs dchilds@usgs.gov
Research Fish Biologist Steve Chipps, PhD steve_chipps@usgs.gov 605-688-5467
Research Ecologist Sarah J Converse, PhD sconverse@usgs.gov 301-497-5635
Research Wildlife Biologist Courtney Conway, PhD cconway@usgs.gov 208-885-6176
Administrative Officer Shana Coulby scoulby@usgs.gov 703-648-4361
Research Wildlife Biologist Shawn Crimmins, PhD scrimmins@usgs.gov
Administrative Program Specialist Brenda Croston brenda_croston@usgs.gov 703-648-4263
Research Ecologist Melanie Davis, PhD melaniedavis@usgs.gov 541-737-1961
Research Wildlife Biologist Brett A. DeGregorio, PhD bdegregorio@usgs.gov
Administrative Officer Terrie Delinski tdelinski@usgs.gov 703-648-7649
Acting Deputy Chief Don Dennerline, PhD ddennerline@usgs.gov 706-705-6042
Research Wildlife Biologist Grace V. DiRenzo, PhD gdirenzo@usgs.gov 413-545-4888
Research Wildlife Biologist Terri Donovan, PhD tdonovan@usgs.gov 802-656-2516
Research Ecologist Katie Dugger, PhD kdugger@usgs.gov 541-737-2473
Research Fish Biologist Corey G. Dunn, PhD cdunn@usgs.gov
Research Ecologist Matthew Falcy, PhD mfalcy@usgs.gov
Research Fish Biologist Jeffrey Falke, PhD jfalke@usgs.gov 907-474-6044
Assistant Unit Leader Brian Folt, PhD bfolt@usgs.gov
Research Wildlife Biologist Mark Ford, PhD wford@usgs.gov 540-231-5927
Research Wildlife Biologist Drew N. Fowler, PhD dfowler@usgs.gov
Research Wildlife Biologist Angela Fuller, PhD afuller@usgs.gov 607-255-2841
Research Ecologist David Fulton, PhD dcf@usgs.gov 612-625-5256
Program Analyst Derek Geary dgeary@usgs.gov 703-648-4380
Research Ecologist Brian Gerber, PhD bgerber@usgs.gov 970-491-1415
Research Wildlife Biologist Laura C. Gigliotti, PhD lcgigliotti@usgs.gov
Research Fish Biologist Tim Grabowski, PhD tgrabowski@usgs.gov 806-834-4388
Research Wildlife Biologist Steven Gray, PhD smgray@usgs.gov
Research Wildlife Biologist Steven M. Grodsky, PhD sgrodsky@usgs.gov
Research Fish Biologist Christopher Guy, PhD cguy@usgs.gov 406-994-3491
Research Ecologist Dave Haukos, PhD dhaukos@usgs.gov 785-532-5761
Research Fish Biologist Mark Henderson, PhD mhenderson@usgs.gov 707-826-5644
Safety and Occupational Health Specialist Zack Holcomb zholcomb@usgs.gov 785-832-3558
Research Wildlife Biologist Nathan J Hostetter, PhD nhostetter@usgs.gov
Research Ecologist Elizabeth A. Hunter, PhD eahunter@usgs.gov
Biologist Elise Irwin, PhD eirwin@usgs.gov 334-703-1663
Research Fish Biologist Brian Irwin, PhD bjirwin@usgs.gov 706-542-0790
Research Fish Biologist Dan Isermann, PhD disermann@usgs.gov 715-295-8878
Research Wildlife Biologist Patrick Jodice, PhD pjodice@usgs.gov 864-656-6190
Biologist (Social Scientist) Megan S. Jones, PhD mjones@usgs.gov
Research Wildlife Biologist Matthew Kauffman, PhD mkauffman@usgs.gov 307-766-6404
Research Ecologist Bill Kendall, PhD wkendall@usgs.gov 970-491-7066
Supervisory Biologist (Northeast Region) Sammy King, PhD sking@usgs.gov 225-578-7564
Research Fish Biologist Megan La Peyre, PhD mlapeyre@usgs.gov 225-578-4180
Research Ecologist Abigail Lawson, PhD alawson@usgs.gov 301-497-5722
Research Ecologist Clinton Leach, PhD cleach@usgs.gov 402-472-0449
Research Fish Biologist James M. Long, PhD jmlong@usgs.gov
Research Wildlife Biologist Robert C. Lonsinger, PhD rlonsinger@usgs.gov 484-459-1977
Research Fish Biologist Dan Magoulick, PhD danmag@usgs.gov 479-575-5449
Research Fish Biologist Martha Mather, PhD mather@usgs.gov 413-329-2105
Research Fish Biologist Pat Mazik, PhD pmazik@usgs.gov 304-293-4943
Biologist - Data Scientist Tess McConnell, AWB® tmcconnell@usgs.gov
Research Wildlife Biologist Conor McGowan, PhD cmcgowan@usgs.gov (352) 273 - 3135
Biologist (Social Scientist) Alex McInturff, PhD mmcinturff@usgs.gov
Research Ecologist Megan Milligan, PhD mmilligan@usgs.gov
Research Fish Biologist Leandro Miranda, PhD smiranda@usgs.gov 662-325-4763
Research Fish Biologist Jeffrey D. Muehlbauer, PhD jmuehlbauer@usgs.gov 907-474-5773
Research Ecologist Christina A. Murphy, PhD camurphy@usgs.gov
Research Fish Biologist Craig Paukert, PhD cpaukert@usgs.gov 573-882-3524
Research Fish Biologist Jim Peterson, PhD james_peterson@usgs.gov 541-737-1963
Research Fish Biologist Quinton Phelps, PhD qphelps@usgs.gov 605-688-4785
DoD Liaison Risa Pino rpino@usgs.gov (571) 752-1384
Administrative Program Assistant Sumina Pokharel spokharel@usgs.gov (703) 648-4264
Acting Chief Kevin L. Pope, PhD kpope@usgs.gov 571-548-2420
Research Ecologist Kasey Pregler, PhD kpregler@usgs.gov 575-646-8126
Research Fish Biologist Michael C. Quist, PhD mquist@usgs.gov 208-885-4064
Research Ecologist Lillian T. Raz, PhD ltuttleraz@usgs.gov
Research Wildlife Biologist Caleb P. Roberts, PhD cproberts@usgs.gov
Research Fish Biologist Kelly F. Robinson, PhD kfrobinson@usgs.gov
Research Fish Biologist Mark Rogers, PhD mwrogers@usgs.gov 931-372-3032
Research Fish Biologist Jane Rogosch, PhD jrogosch@usgs.gov
Research Ecologist Amanda Rosenberger, PhD arosenberger@usgs.gov 573-882-9653
Research Fish Biologist Allison Roy, PhD aroy@usgs.gov 413-545-4895
Research Ecologist Mark D. Scheuerell, PhD mscheuerell@usgs.gov
Research Ecologist Sarah N. Sells, PhD ssells@usgs.gov
Safety and Occupational Health Specialist Brent Sigafus bsigafus@usgs.gov 520-343-3061
Research Fish Biologist Nicholas Som, PhD nsom@usgs.gov 707- 826 -5645
Research Wildlife Biologist Sarah A Sonsthagen, PhD ssonsthagen@usgs.gov 402-472-0449
Research Ecologist Jonathan J. Spurgeon, PhD jspurgeon@usgs.gov (573) 291-1009
Research Ecologist Joshua Stafford, PhD jstafford@usgs.gov 605-688-5759
Research Ecologist Erica F. Stuber, PhD estuber@usgs.gov
Research Widlife Biologist Daniel Sullins, PhD dsullins@usgs.gov 785-532-1405
Research Ecologist Chris Sullivan, PhD csullivan@usgs.gov
Research Fish Biologist Chad Teal, PhD cteal@usgs.gov 435-797-7565
Research Ecologist Claire Teitelbaum, PhD cteitelbaum@usgs.gov 706-542-5260
Research Wildlife Biologist Anna Tucker, PhD amtucker@usgs.gov 301-497-5500
Biologist Wendy Turner, PhD wturner@usgs.gov
Research Wildlife Biologist Jonathon J. Valente, PhD jvalente@usgs.gov
Research Fish Biologist Tyler Wagner, PhD twagner@usgs.gov 814-865-4511
Research Wildlife Biologist Daniel P. Walsh, PhD dwalsh@usgs.gov 608-270-2481
Research Ecologist W. David Walter, PhD wwalter@usgs.gov 814-867-4763
Research Ecologist Annika Walters, PhD awalters@usgs.gov 307-766-5473
Research Fish Biologist Lynn Waterhouse, PhD lwaterhouse@usgs.gov
Supervisory Biologist (Southeast Region) Lisa Webb, PhD ewebb@usgs.gov 573-540-0634
Research Fish Biologist Stuart Welsh, PhD swelsh@usgs.gov 304-293-5006
Research Fish Biologist Jacob T. Westhoff, PhD jwesthoff@usgs.gov
Supervisory Biologist (West Region) Kevin Whalen, PhD kwhalen@usgs.gov 703-269-7711
Research Ecologist Tammy L. Wilson, PhD tlwilson@usgs.gov 435-881-9151
Research Fish Biologist Dana Winkelman, PhD danaw@usgs.gov 970-491-1414
Administrative Student Intern John Withers jwithers@usgs.gov
Research Fish Biologist Alexander Zale, PhD zale@usgs.gov 406-994-2380
Research Fish Biologist Joseph Zydlewski, PhD jzydlewski@usgs.gov 207-581-2853
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