Job Title	Name	Email	Phone
IT Specialist & Remote Pilot	Joe Adams	jdadams@usgs.gov	303-236-2906
Physical Scientist	Zach Ancona	zancona@usgs.gov	303-236-1886
Research Geologist	Lesleigh Anderson	land@usgs.gov	303-236-1296
Geologist	Nolan Barrette	nbarrette@usgs.gov
Geographer	Mark A Bauer	mabauer@usgs.gov	720-655-0700
Scientist Emeritus	Margaret E Berry	meberry@usgs.gov
Scientist Emeritus	Chuck Blome	cblome@usgs.gov	303-236-1278
Geographer	Rebecca Brice, PhD	rbrice@usgs.gov
Scientist Emeritus	Jim Budahn	jbudahn@usgs.gov
Geographer	Matt A Burgess, PhD	maburgess@usgs.gov	303-236-5035
Geographer	Todd A Burton	tburton@usgs.gov	720-556-4954
Research Physical Scientist	Amanda R. Carlson, PhD	arcarlson@usgs.gov
Research Geologist	Joseph Colgan	jcolgan@usgs.gov	303-236-1021
Management Analyst	Alyssa De Leon	adeleon@usgs.gov
Research Geologist	Marieke Dechesne	mdechesne@usgs.gov
Research Ecologist	Jay Diffendorfer	jediffendorfer@usgs.gov	303-236-5369
Research Physical Scientist	Wayana Dolan	wdolan@usgs.gov
Acting Regional Director	Lara Douglas	ldouglas@usgs.gov	303-236-5344
Physical Scientist	Ryan E Frazer, PhD	rfrazer@usgs.gov	303-236-1276
Geologist	Michael G. Frothingham, PhD	mfrothingham@usgs.gov
Scientist Emeritus	Steven Garman	slgarman@usgs.gov
Research Geologist	Amy Gilmer, PhD	agilmer@usgs.gov	303-236-1636
Geologist	Judd Goldberg	jgoldberg@usgs.gov	303-236-5345
Deputy Center Director	Harland Goldstein	hgoldstein@usgs.gov	303-236-5506
Research Geologist	Harrison Gray, PhD	hgray@usgs.gov	303-236-7928
Geographer	Jeremy C Havens	jhavens@usgs.gov	303-236-7807
Research Ecologist	Todd Hawbaker	tjhawbaker@usgs.gov	303-236-1371
Research Ecologist	Paul Henne, PhD	phenne@usgs.gov	303-236-1262
Geologist	Ian Hillenbrand	ihillenbrand@usgs.gov	303-236-5345
Geologist	Jaime Hirtz	jhirtz@usgs.gov
Geologist	Jeff Honke	jhonke@usgs.gov	303-236-5540
Administrative Operations Assistant	Laura Hopkins	lhopkins@usgs.gov
Research Geologist	Adam M Hudson	ahudson@usgs.gov	303-236-7699
Scientist Emeritus	Mark R. Hudson, PhD	mhudson@usgs.gov	303-236-7446
Research Ecologist	Peter Ibsen, PhD	pibsen@usgs.gov
Research Geologist	Sam A Johnstone	sjohnstone@usgs.gov	303-236-5705
Research Geologist	Natalie M. Kehrwald, PhD	nkehrwald@usgs.gov
Geologist	Emma Krolczyk	ekrolczyk@usgs.gov	303-236-7928
Geologist	Jenifer Leidelmeijer	jleidelmeijer@usgs.gov	303-236-0953
Physical Scientist	Michelle Leung	mleung@usgs.gov
Scientist Emeritus	Scott C Lundstrom, PhD	sclundst@usgs.gov
Geologist	Alexander Lusk	alusk@usgs.gov
Research Geologist	Shannon Mahan	smahan@usgs.gov
Geographer	Casey Menick	cmenick@usgs.gov
Physical Science Technician	Ellie Miller	emiller@usgs.gov
Scientist Emeritus	Scott A Minor	sminor@usgs.gov
Scientist Emeritus	Daniel Muhs	dmuhs@usgs.gov
Scientist Emeritus	James Paces	jbpaces@usgs.gov
Student Trainee (Administrative Support)	Rose Pejman	mpejman@usgs.gov
Research Geologist	Jeff Pigati	jpigati@usgs.gov	303-236-7870
Geologist	Bridget Platt	bplatt@usgs.gov
Scientist Emeritus	Marith Reheis	mreheis@usgs.gov
Scientist Emeritus	Richard L Reynolds	rreynolds@usgs.gov
Geographer	Warren Roe	wroe@usgs.gov
Research Geologist	Cal Ruleman	cruleman@usgs.gov	303-236-7804
Physical Scientist	Victoria M Scholl	vscholl@usgs.gov
Scientist Emeritus	R. Randall Schumann	rschumann@usgs.gov
Research Geologist	Theresa Schwartz	tmschwartz@usgs.gov
Research Geologist	Sarah Shafer	sshafer@usgs.gov	541-750-0946
Geographer	Ben Sherrouse	bcsherrouse@usgs.gov
Physical Science Technician	Julie Simon	jlsimon@usgs.gov	303-236-1232
Research Geologist	Tyson Smith	tmsmith@usgs.gov
Geologist	Brooklyn Smout	bsmout@usgs.gov
Geologist	Leland R. Spangler	lspangler@usgs.gov
Research Geologist	Kathleen Springer	kspringer@usgs.gov
Research Geologist	Donald Sweetkind	dsweetkind@usgs.gov	303-236-1828
Research Geologist	Ren Thompson, PhD	rathomps@usgs.gov	303-236-0929
Scientist Emeritus	Bob Thompson	rthompson@usgs.gov
Geologist	Kelly D. Thomson, PhD	kthomson@usgs.gov
Research Geologist	Kenzie Turner	kturner@usgs.gov	303-236-4610
Geologist	Frank Urban	furban@usgs.gov	303-236-4790
Geographer	Paco Van Sistine	dvansistine@usgs.gov	303-236-5452
Research Geographer	Melanie Vanderhoof	mvanderhoof@usgs.gov
Geographer	Eric Waller	ewaller@usgs.gov
Research Ecologist	Kimberly Wickland	kpwick@usgs.gov	303-541-3072
Geologist	Jeremiah Workman	jworkman@usgs.gov	303-236-1257
Research Geologist	Kristine Zellman	kzellman@usgs.gov	303-236-5838