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Explore our field station pages at "Locations" and visit our "Employee Directory" for specific contacts not included in the list below.

Employee Directory

Job Title Name Email Phone Sort descending
Scientist Emeritus Brian B Hatfield brian_hatfield@usgs.gov
Biologist David Nicolas Bertil Soderberg, PhD dsoderberg@usgs.gov
Biologist Brittany Ewing bewing@usgs.gov
Biologist Gabriel A Reyes greyes@usgs.gov
Senior Program Officer Tina Licari tlicari@usgs.gov
Public Affairs Specialist Sally House shouse@usgs.gov
Wildlife Biologist Shawn T O'Neil, PhD soneil@usgs.gov
Geographer Austen A Lorenz aalorenz@usgs.gov
Biologist Cali L Weise (Roth) croth@usgs.gov
Biologist Ellie Broadman, PhD ebroadman@usgs.gov
Administrative Officer Nicole Hettich nhettich@usgs.gov (916) 659-0010
Supervisory Ecologist Patrick M Kleeman pkleeman@usgs.gov 415-464-5184
Biologist Laura (Laney) White lmwhite@usgs.gov 530-631-2142
Wildlife Biologist Elliott Matchett ematchett@usgs.gov 530-669-5063
Research Wildlife Biologist Peter Coates, PhD pcoates@usgs.gov 530-669-5073
Scientist Emeritus Joseph Fleskes joe_fleskes@usgs.gov 530-669-5074
Research Wildlife Biologist Michael Casazza mike_casazza@usgs.gov 530-669-5075
Research Wildlife Biologist Brian Halstead bhalstead@usgs.gov 530-669-5076
Wildlife Biologist Cory Overton coverton@usgs.gov 530-669-5083
Wildlife Biologist Christopher "Alex" Hartman chartman@usgs.gov 530-669-5085
Wildlife Biologist Mark Herzog mherzog@usgs.gov 530-669-5086
Research Wildlife Biologist Josh T Ackerman jackerman@usgs.gov 530-669-5087
Wildlife Biologist Sarah Peterson sepeterson@usgs.gov 530-669-5088
Research Statistician Julie Yee julie_yee@usgs.gov 530-669-5097
Ecologist Shannon Waters swaters@usgs.gov 530-752-5306
Research Ecologist Lizabeth Bowen lbowen@usgs.gov 530-752-5365
Biologist Jonathan Rose jprose@usgs.gov 530-902-8928
Supervisory Research Ecologist Matthew Brooks mlbrooks@usgs.gov 559-240-7622
Senior Scientist, ST Jon Keeley jon_keeley@usgs.gov 559-565-3170
Scientist Emeritus Nathan Stephenson nstephenson@usgs.gov 559-565-3176
Research Ecologist Adrian Das adas@usgs.gov 559-565-3179
Research Manager Damian K. Higgins dhiggins@usgs.gov 571-597-2485
Research Hydrologist Wesley Danskin wdanskin@usgs.gov 619-225-6132
Ecologist Kristine Preston kpreston@usgs.gov 619-225-6420
Supervisory Research Ecologist Barbara Kus barbara_kus@usgs.gov 619-225-6421
Supervisory Research Biologist Robert N Fisher rfisher@usgs.gov 619-225-6422
Biologist Cheryl Brehme cbrehme@usgs.gov 619-225-6427
Geneticist Jonathan Q Richmond jrichmond@usgs.gov 619-225-6434
Biologist Denise Clark drclark@usgs.gov 619-225-6435
Ecologist Suellen Lynn suellen_lynn@usgs.gov 619-225-6437
Biologist Tritia A Matsuda tmatsuda@usgs.gov 619-225-6443
Supervisory Research Geneticist Amy Vandergast avandergast@usgs.gov 619-225-6445
Biologist Alexandra Houston ahouston@usgs.gov 619-225-6454
Research Wildlife Biologist Kathleen Longshore longshore@usgs.gov 702-564-4505
Research Ecologist Todd Esque tesque@usgs.gov 702-564-4506
Research Plant Ecologist Lesley DeFalco ldefalco@usgs.gov 702-564-4507
Ecologist Sara Sciulla sscoles@usgs.gov 702-564-4624
Ecologist Kevin Buffington kbuffington@usgs.gov 707-562-2000
Biologist Isa Woo iwoo@usgs.gov 707-562-2001
Research Wildlife Biologist Susan De La Cruz sdelacruz@usgs.gov 707-562-2004
Research Ecologist Phillip van Mantgem pvanmantgem@usgs.gov 707-825-5189
Research Ecologist Kathryn McEachern kathryn_mceachern@usgs.gov 805-658-5753
Senior Ecologist, ST Kevin Lafferty klafferty@usgs.gov 805-893-8778
Biologist & Southwest Region Dive Safety Officer Joseph Tomoleoni jtomoleoni@usgs.gov 831-254-9750
Research Biologist Josh Adams josh_adams@usgs.gov 831-460-7566
Wildlife Biologist Emily (Emma) Kelsey ekelsey@usgs.gov 831-460-7572
Chief of Staff Sarah Spring sarah_spring@usgs.gov 916-206-3018
Ecologist Lea A Condon, PhD lcondon@usgs.gov 916-278-9485
Research Ecologist Karen Thorne, Ph.D. kthorne@usgs.gov 916-502-2996
Research Manager Tom Kimball tkimball@usgs.gov 916-538-8332
Center Director Matt Dekar mdekar@usgs.gov 916-747-8261
Supervisory Research Wildlife Biologist Kristin Berry kristin_berry@usgs.gov 951-697-5361
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