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

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A. Keith Miles

Center Director

Sarah Spring

Chief of Staff

Diane Elam (Former Employee)

Research Manager

Tom Kimball

Research Manager

Nicole Hettich

Acting Administrative Officer

Employee Directory

U.S. Geological Survey

U.S. Department of the Interior