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Contacts

Sarah J. Ryker, Ph.D.

Associate Director
Geology, Energy, and Minerals Mission Area

Teresa Kirschling, Ph.D.

Deputy Associate Director
Geology, Energy, and Minerals Mission Area
Phone
303-236-3177

Colin F Williams, PhD.

Program Coordinator
Mineral Resources Program
Phone
650-439-2881

Alicia Lindauer

Program Coordinator
Energy Resources Program
Phone
303-236-7775

Kendra L Russell

Chief of Staff
Geology, Energy, and Minerals Mission Area
Phone
703-648-5323

Michele Wolf

Energy and Minerals Mission Area (EMMA) Quality Management System (QMS) Manager
Geology, Energy, and Minerals Mission Area
Phone
720-326-0284

Christopher S Swezey, Ph.D.

Program Coordinator
National Cooperative Geologic Mapping Program
Phone
703-648-6444

Employee Directory

Job Title
Name
Email
Phone
Physical Scientist David Ahumada dahumada@usgs.gov
Mineral Commodity Specialist Amanda Brioche abrioche@usgs.gov 703-648-7747
Deputy Center Director Ellie D Brown, Ph.D. ebrown@usgs.gov 703-648-5751
Management Analyst Jeanne Bruins jbruins@usgs.gov 571-299-9451
Senior Management Officer Helena (Lena) Buchanan hbuchanan@usgs.gov 703-648-6613
Country Specialist Jaewon Chung jchung@usgs.gov 703-648-4793
Physical Scientist Daniel J Colwell dcolwell@usgs.gov 571-512-2209
Scientist Emeritus Warren C Day, Ph.D. wday@usgs.gov 303-384-2682
Country Specialist Keita DeCarlo kdecarlo@usgs.gov 703-648-7716
Quality Assurance Specialist Nian Du, PhD ndu@usgs.gov
Physical Scientist, Quality Assurance Specialist Alisha Ellis aellis@usgs.gov 703-648-6615
Country Specialist Yolanda Fong-Sam yfong-sam@usgs.gov 703-648-7756
Associate Program Coordinator / Research Engineer Tanya J Gallegos, Ph.D. tgallegos@usgs.gov 703-648-6181
Geologist Kristina Gardner kgardner@usgs.gov 703-648-6006
Program Analyst Amanda Gelsomin agelsomin@usgs.gov 872-227-1034
Geologist Alena Giesche, Ph.D. agiesche@usgs.gov 907-786-7154
Country Specialist Joanna Goclawska jgoclawska@usgs.gov 703-648-7973
Country Specialist Alexandru Hostiuc ahostiuc@usgs.gov 703-648-7708
Country Specialist Jesse J. Inestroza jinestroza@usgs.gov 703-648-7779
Earth MRI Coordinator Jamey Jones jvjones@usgs.gov 907-786-7442
Deputy Associate Director Teresa Kirschling, Ph.D. tkirschling@usgs.gov 303-236-3177
Associate Program Coordinator Mojisola A KunleDare, PhD, PG mkunledare@usgs.gov 703-648-6609
Curator, NSF-Ice Core Facility Curt LaBombard clabombard@usgs.gov
Associate Program Coordinator Mari Titcombe Lee, PhD melee@usgs.gov 303-236-4722
Program Coordinator Alicia Lindauer alindauer@usgs.gov 303-236-7775
Physical Scientist Brianna R Lopez Hetland blopezhetland@usgs.gov 571-342-7026
Country Specialist Kristian Macias kmacias@usgs.gov 703-648-4902
Physical Scientist Eliza Malakoff emalakoff@usgs.gov
Administrative Program Manager Michael Marketti mmarketti@usgs.gov 703-328-3102
Physical Scientist Ji Won Moon jmoon@usgs.gov 703-648-7791
Associate Program Coordinator - Science Suzanne W Nicholson, Ph.D. swnich@usgs.gov 703-648-6344
Chief, Data Collection and Coordination Shonta E Osborne sosborne@usgs.gov 703-648-7971
Minerals Intelligence Analyst Abraham J. Padilla, PhD apadilla@usgs.gov 703-648-4965
Country Specialist Alberto A. Perez aperez@usgs.gov 703-648-7749
Country Specialist Meralis Plaza-Toledo mplaza-toledo@usgs.gov 703-648-7759
Mineral Commodity Specialist Désirée E. Polyak dpolyak@usgs.gov 703-648-4909
Country Specialist Edgardo J. Pujols Vazquez, Ph.D. epujolsvazquez@usgs.gov 703-648-4919
Program Analyst/EMMA Records Officer Donna M. Read dread@usgs.gov 703 648 6471
Associate Program Coordinator Timothy Reilly tjreilly@usgs.gov
Country Specialist Karine Renaud krenaud@usgs.gov 703-648-7748
Earth MRI Associate Science Coordinator Charlotte Riggs, PhD criggs@usgs.gov
Physical Scientist Kate Ritzel kritzel@usgs.gov 571-512-1641
Chief of Staff Kendra L Russell klrussell@usgs.gov 703-648-5323
Associate Director Sarah J. Ryker, Ph.D. sryker@usgs.gov
Country Specialist Elena Safirova esafirova@usgs.gov 703-648-7731
Country Specialist Iman Salehi Hikouei, Ph.D. isalehihikouei@usgs.gov 703-648-7744
Mineral Commodity Specialist Kristine Noel Sheaffer ksheaffer@usgs.gov 703-648-4954
Public Affairs Specialist Shipra Shukla sshukla@usgs.gov 916-532-3024
Outreach Coordinator Suzanna Soileau, MEd ssoileau@usgs.gov
Senior Program Scientist for the National Geologic Map Database David Soller, Ph.D. drsoller@usgs.gov 703-648-6907
Country Specialist Yadira Soto-Viruet ysoto-viruet@usgs.gov 703-648-4957
Mineral Commodity Specialist Andrew A Stewart astewart@usgs.gov 703-648-7723
Program Coordinator Christopher S Swezey, Ph.D. cswezey@usgs.gov 703-648-6444
Mineral Commodity Specialist Amy Tolcin atolcin@usgs.gov 703-648-4940
Country Specialist Kathleen R. Trafton, Ph.D. ktrafton@usgs.gov
Country Specialist Loyd Trimmer ltrimmer@usgs.gov 703-648-4983
Science Communicator Elda Varela Minder evarelaminder@usgs.gov 202-550-8914
Geologist - NGMDB Strategic Development Robert Wardwell rwardwell@usgs.gov
Budget Analyst Markeshia D Watson mwatson@usgs.gov 225-615-6305
Research Geologist Kathryn Watts kwatts@usgs.gov 509-368-3108
Staff Scientist Lief Wiechman lwiechman@usgs.gov 970-237-2764
Program Coordinator Colin F Williams, PhD. colin@usgs.gov 650-439-2881
External Program Manager Tamara Wilson tswilson@usgs.gov 650-429-2347
Energy and Minerals Mission Area (EMMA) Quality Management System (QMS) Manager Michele Wolf mwolf@usgs.gov 720-326-0284
Supervisory Country Specialist Sean Xun sxun@usgs.gov 703-648-7746
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