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The majority of our staff call Fort Collins, Colorado their home, but work all over the United States. FORT research and support staff work from one of four duty stations: in Colorado, at the Fort Collins Science Center or Denver Federal Center; in New Mexico, at the New Mexico Landscapes Field Station; or in Florida, at the USGS Everglades Research Offices.

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Employee Directory

Job Title Name Email Phone
Biologist Aimee Agnew aagnew@usgs.gov 970-226-9352
Branch Chief / Supervisory Research Ecologist Cameron L Aldridge, PhD aldridgec@usgs.gov 970-226-9433
Biologist Patrick Anderson andersonpj@usgs.gov 970-226-9488
Research Ecologist, Senior Scientist (ST) Jill S Baron, PhD jill_baron@usgs.gov 970-491-1968
Scientist Emeritus Dean Biggins, PhD bigginsd@usgs.gov 970-226-9467
Biologist Sophie R Bonner sbonner@usgs.gov
Computer Scientist Christopher S Brown, PhD csbrown@usgs.gov
Scientist Emeritus Brian Cade, PhD cadeb@usgs.gov 970-226-9326
Scientist Emeritus Natasha B Carr, PhD carrn@usgs.gov
Ecologist Sarah Carter, PhD skcarter@usgs.gov 970-226-9355
Computer Scientist Joseph P Chabarek jchabarek@usgs.gov
Biologist Erica M Christensen, PhD echristensen@usgs.gov
Research Social Scientist/Biologist Nicholas Cole, PhD ncole@usgs.gov 970-226-9220
Ext: 220
Biologist (Bioinformatics) Robert (Scott) Cornman, PhD rcornman@usgs.gov 970-226-9380
Research Biologist Paul Cryan, PhD cryanp@usgs.gov 970-226-9389
Biologist Helen T Davis htdavis@usgs.gov
Budget Analyst Anna E Deeds adeeds@usgs.gov 970-226-9142
Biologist Emma I Dietrich, PhD edietrich@usgs.gov
Research Ecologist David A Eads, PhD deads@usgs.gov 970-226-9261
Computer Scientist Kyle Enns kenns@usgs.gov 970-226-9100
Research Economist Aaron J Enriquez, PhD aenriquez@usgs.gov 970-226-9371
Geneticist/Lab Manager Jennifer A Fike fikej@usgs.gov 970-226-9199
Research Hydrologist Jonathan Friedman, PhD friedmanj@usgs.gov 303-541-3017
Scientist Emeritus Peter J Gogan peter_gogan@usgs.gov
Computer Scientist Mark Hannon mhannon@usgs.gov 970-226-9100
Deputy Center Director Steven E Hanser shanser@usgs.gov 970-226-9309
Biologist Nicole D Hernandez nhernandez@usgs.gov 970-226-9435
Hydrologist Chris Holmquist-Johnson, PhD h-johnsonc@usgs.gov 970-226-9382
Ecologist Richard Inman, PhD rdinman@usgs.gov 970-226-9309
Research Ecologist Catherine S. Jarnevich, PhD jarnevichc@usgs.gov 970-226-9439
Biologist Sam E Jordan, PhD sjordan@usgs.gov
Biologist Amanda M Kissel, PhD akissel@usgs.gov
Biologist Nathan Kleist, PhD nkleist@usgs.gov 970-226-9341
Computer Scientist Ben Lohre blohre@usgs.gov
Research Ecologist Ellis Q Margolis, PhD emargolis@usgs.gov 505-954-2156
Biologist Carolina J May cjmay@usgs.gov
Research Economist James R Meldrum, PhD jmeldrum@usgs.gov 970-226-9176
Computer Scientist Diane C Mickelson dmickelson@usgs.gov
Biologist Adrian P Monroe, PhD amonroe@usgs.gov 970-226-9122
IT Project Manager Gail Montgomery montgomeryg@usgs.gov 970-226-9253
Biologist Dana T Musto dmusto@usgs.gov
Research Zoologist Erin Muths, PhD muthse@usgs.gov 970-226-9474
Computer Scientist Teague Neschke tneschke@usgs.gov
Biologist Michael O'Donnell odonnellm@usgs.gov 970-226-9407
Scientist Emeritus Thomas O'Shea, PhD osheat@usgs.gov 970-226-9397
Biologist Elizabeth Orning, PhD eorning@usgs.gov 970-226-9309
Supervisory Research Geneticist Sara J Oyler-McCance, PhD sara_oyler-mccance@usgs.gov 970-226-9197
Ext: 197
Social Scientist Olivia L Pearman, PhD opearman@usgs.gov
Research Ecologist Ian Pearse, PhD ipearse@usgs.gov 970-226-9145
Research Ecologist Janet Prevéy, PhD jprevey@usgs.gov 970-226-9249
Social Scientist Sarah L Rappaport srappaport@usgs.gov
Branch Chief / Supervisory Biologist Brian Reichert, PhD breichert@usgs.gov 970-226-9245
Biologist Morgan D Roche, PhD mroche@usgs.gov
Scientist Emeritus Gordon H Rodda roddag@usgs.gov
Computer Scientist Parker Rowland prowland@usgs.gov
Biologist Tait K Rutherford trutherford@usgs.gov 970-226-9355
Biologist Ella Samuel esamuel@usgs.gov
Biologist Mark R Sandfoss, PhD msandfoss@usgs.gov
Supervisory Research Wildlife Biologist Kate Schoenecker, PhD schoeneckerk@usgs.gov 970-226-9329
Biologist Andrea N Schuhmann aschuhmann@usgs.gov
Branch Chief / Supervisory Social Scientist Rudy Schuster, PhD schusterr@usgs.gov 970-226-9165
Scientist Emeritus Patrick Shafroth, PhD shafrothp@usgs.gov 970-226-9327
Hydrologist Elizabeth Skaggs eskaggs@usgs.gov 970-226-9309
Biologist Alex L Stoneburner astoneburner@usgs.gov
Social Scientist Crista L Straub, PhD cstraub@usgs.gov 970-226-9143
Biologist Bethany Straw bstraw@usgs.gov 970-226-9317
Research Biologist Craig Stricker, PhD cstricker@usgs.gov 303-236-7908
Biologist Bryan C Tarbox, PhD btarbox@usgs.gov 970-226-9309
Center Director Sharon K Taylor, DVM, PhD sktaylor@usgs.gov 970-226-9238
Administrative Office Kendra N Terrell kterrell@usgs.gov 970-226-9217
Biologist Bradley J Udell, PhD budell@usgs.gov 970-226-9419
Research Wildlife Biologist Ernest Valdez, PhD ernie@usgs.gov 505-277-0566
Biologist Nicholas J Van Lanen, PhD nvanlanen@usgs.gov 970-226-9428
Rangeland Management Specialist Mark Vandever vandeverm@usgs.gov 970-226-9264
Biologist Gregory Wann, PhD wanng@usgs.gov 970-226-9309
Biologist Ashley Whipple, MS awhipple@usgs.gov 970-226-9330
Biologist Sarah Whipple, PhD swhipple@usgs.gov 970-226-9262
Research Social Scientist Emily J Wilkins, PhD ewilkins@usgs.gov 970-226-9338
Research Ecologist Andreas P Wion, PhD awion@usgs.gov
Biologist Amy K Wray, PhD awray@usgs.gov 970-226-9436
Supervisory Research Ecologist Amy Yackel Adams, PhD yackela@usgs.gov 970-226-9489
Computer Scientist Changrui Yuan cyuan@usgs.gov
Computer Scientist Jesse G Zhang jgzhang@usgs.gov
Biologist Shawna J Zimmerman, PhD szimmerman@usgs.gov 970-226-9153