Job Title	Name	Email	Phone
Administrative Officer	Edwin "Clay" Allred	eallred@usgs.gov
Acting Chief, Grand Canyon Monitoring and Research Center	Gregory Mark Anderson	gmanderson@usgs.gov
Economist	Lucas Bair	lbair@usgs.gov	928-556-7362
Research Ecologist	Jayne Belnap, Ph.D.	jayne_belnap@usgs.gov	928-556-7555
Research Ecologist	Ian W Bishop, Ph.D.	ibishop@usgs.gov
Research Ecologist, Northwest CASC	John B Bradford, Ph.D.	jbradford@usgs.gov	928-380-4671
Geographer	Erica Byerley	ebyerley@usgs.gov
Geologist	Joshua Caster, PhD	jcaster@usgs.gov	(928) 556-7129
Biologist	Kristy L Cummings	kcummings@usgs.gov	928-556-7113
Research Hydrologist	David J Dean	djdean@usgs.gov	928-556-7297
Research Ecologist	Bridget R Deemer, Ph.D.	bdeemer@usgs.gov
Supervisory Research Fish Biologist	Kimberly Lellis Dibble, Ph.D.	kdibble@usgs.gov	(928) 814-2826
Research Zoologist	Charles Drost, Ph.D.	charles_drost@usgs.gov	928-556-7187
Research Ecologist & Soil Scientist	Mike Duniway, Ph.D.	mduniway@usgs.gov	(435) 210-2831
Biologist	Maria C Dzul, PhD	mdzul@usgs.gov
Fish Biologist	Drew E Eppehimer, PhD	deppehimer@usgs.gov
Social Scientist	Helen C Fairley	hfairley@usgs.gov	928-556-7285
Research Ecologist	Rebecca Finger-Higgens, Ph.D.	rfinger-higgens@usgs.gov
Scientist Emeritus	Carol A Fritzinger	cfritz@usgs.gov	928-556-7207
Supervisory Biologist and Director of Operations	Erika Geiger, Ph.D.	egeiger@usgs.gov	(435) 351-2909
Research Hydrologist	Paul Grams, Ph.D.	pgrams@usgs.gov	928-556-7385
Hydrologist	Ronald Griffiths	rgriffiths@usgs.gov	928-556-7069
GIS Coordinator (IT Specialist)	Thomas M Gushue	tgushue@usgs.gov	928-556-7370
Budget Analyst	Alicia Gustafson	agustafson@usgs.gov	928-556-7181
Fish Biologist	Lindsay E Hansen	lhansen@usgs.gov
Communications, Public Affairs Specialist	Meredith A Hartwell	mhartwell@usgs.gov	(928) 607-9918
Research Biologist	Brian D Healy, PhD	bhealy@usgs.gov
Ecologist	Claire C Karban, PhD	ckarban@usgs.gov
Research Ecologist	Theodore Kennedy, Ph.D.	tkennedy@usgs.gov	928-556-7374
Ecologist	Anna C Knight	aknight@usgs.gov
Geodesist	Keith A Kohl	kkohl@usgs.gov	928-556-7371
Biologist	Cara Marie Lauria	clauria@usgs.gov	928-556-7548
USGS Scientist Emeritus	Jeffrey E Lovich, Ph.D.	jeffrey_lovich@usgs.gov	928-556-7358
Secretary (OA)	Serena Mankiller	smankiller@usgs.gov	928-556-7094
Biologist	Rebecca Mann	rmann@usgs.gov	435-719-2134
Research Ecologist and Plant Geneticist	Rob Massatti, Ph.D.	rmassatti@usgs.gov	928-556-7304
Ecologist	Anya Nova Metcalfe	ametcalfe@usgs.gov	928-556-7049
Fish Biologist	Benjamin Miller	bjmiller@usgs.gov
Research Ecologist	Seth Munson, Ph.D.	smunson@usgs.gov	928-556-7301
IT Specialist	Robert E Myers	rmyers@usgs.gov	928-556-7349
Research Physical Scientist	Pamela Nagler, Ph.D.	pnagler@usgs.gov	520-670-6671
Research Ecologist	Brooke B Osborne, Ph.D.	bosborne@usgs.gov	928-556-7543
Administrative Operations Assistant	Darrin Palean	dpalean@usgs.gov	928-556-7270
Ecologist	Emily C Palmquist, PhD	epalmquist@usgs.gov	928-556-7397
Research Ecologist	Michala L Phillips	mphillips@usgs.gov
Research Ecologist	Sasha C Reed, Ph.D.	screed@usgs.gov	(435) 210-2742
Plant ecologist	Carla M Roybal	croybal@usgs.gov
Hydrologist	Thomas A Sabol	tsabol@usgs.gov
Hydrologist	Gerard L Salter, PhD	gsalter@usgs.gov
Research Geologist	Joel B Sankey, Ph.D.	jsankey@usgs.gov	928-556-7289
Hydrologist	Shannon L. Sartain	ssartain@usgs.gov
Acting Director	Andrew A. Schultz, Ph.D.	aschultz@usgs.gov	(928) 556-7194
Biologist	John Severson, Ph.D.	jpseverson@usgs.gov
RAMPS Coordinator	Laura Shriver	lshriver@usgs.gov	(928) 556-7010
Postdoctoral research ecologist	Gregor-Fausto Siegmund, Ph.D.	gsiegmund@usgs.gov
Safety and Occupational Health Specialist	Brent Sigafus	bsigafus@usgs.gov	520-670-6671
Biological Field Technician	Megan Starbuck	mestarbuck@usgs.gov	573-578-4457
Acting Deputy Director	Kathryn A Thomas, Ph.D.	kathryn_a_thomas@usgs.gov	520-670-5590
Research Hydrologist	David J Topping, Ph.D.	dtopping@usgs.gov	928-556-7396
Hydrologist	Robert Tusso	rtusso@usgs.gov	928-556-7117
Research Statistician	Charles B Yackulic, Ph.D.	cyackulic@usgs.gov	928-556-7379