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Our staff consists of scientists, technicians, and support personnel who are committed to providing accurate and timely water science to California and the Nation. See links under "Connect" for locations and more staff contact information.

Science Programs and Partnerships

USGS Scientists Map Nutrients on Sacramento Delta
Find out more about Science Programs and Partnerships

Public Contact Information

CAWSC Connect Info block
Email us at: gs-w-cawsc_science_comm@usgs.gov

Links

Locations

Social Media

Contacts

Anke Mueller-Solger, PhD

Center Director
California Water Science Center
Phone
916-508-8116

John "Ryan" Banta, PhD

Associate Director of Projects
California Water Science Center

Mark R Dickman

Associate Director for Data
California Water Science Center
Phone
916-666-9951

Michelle Shouse

Associate Director for Science Operations
California Water Science Center
Phone
916-278-9560

Jeanette R Rainey

Associate Director for Administration
California Water Science Center
Phone
916-709-5995

Miranda Fram, PhD

Program Chief, Chemistry and Integrated Hydrologic Processes
California Water Science Center
Phone
916-278-3088

Matthew K Landon

Program Chief, Groundwater Characterization
California Water Science Center
Phone
619-225-6109

Tamara Kraus, PhD

Research Soil Scientist and Acting Program Chief for Biogeochemistry
California Water Science Center
Phone
916-278-3260

Geoff Cromwell, PhD

Geologist and Acting Program Chief for Groundwater Availability and Use
California Water Science Center
Phone
805-266-5234

Elizabeth Jachens, PhD

Hydrologist and Acting Program Chief for Hydrodynamics and Ecology
California Water Science Center
Phone
619-225-6144

Employee Directory

Job Title
Name
Email
Phone
Hydrologic Technician Malanyon Adams malanyonadams@usgs.gov 916-278-3000
Hydrologist Saalem Adera sadera@usgs.gov 916-278-3000
Research Chemist Charles N Alpers cnalpers@usgs.gov 916-278-3134
Research Hydrologist Robert Anders randers@usgs.gov 619-225-6155
Physical Scientist Amelia Marie Ayers aayers@usgs.gov 916-278-3000
Hydrologic Technician Davis J Badger dbadger@usgs.gov 805-928-9539
Hydrologist Mariia Balkan mbalkan@usgs.gov 916-278-3095
Associate Director of Projects John "Ryan" Banta, PhD jbanta@usgs.gov
Hydrologic Technician Kristopher F Barrios kbarrios@usgs.gov 916-381-0207
Hydrologic Technician Tim Baxter tbaxter@usgs.gov 916-278-3000
Hydrologist George Bennett georbenn@usgs.gov 916-278-3099
Hydrologic Technician Thomas Bergamaschi tbergamaschi@usgs.gov 916-278-3000
Research Chemist Brian Bergamaschi bbergama@usgs.gov 916-278-3053
Hydrologist Maryanne Bobbitt mbobbitt@usgs.gov 661.477.0087
Hydrologic Technician Heidi Bockisch hbockisch@usgs.gov
Geographer Sandra Bond sbond@usgs.gov 916-278-3031
Research Biologist Keith Bouma-Gregson kbouma-gregson@usgs.gov 510-230-3691
Hydrologic Technician Anthony A. Brown anbrown@usgs.gov 619-225-6140
Supervisory Hydrologist Jon Burau jrburau@usgs.gov 916-997-4206
Hydrologic Technician Dylan Burau dburau@usgs.gov 916-278-3294
Biologist Jordan M Buxton jbuxton@usgs.gov
Deputy Associate Director for Data Louis A Caldwell lacald@usgs.gov 619-988-5805
Hydrologic Technician Richard B Castro rbcastro@usgs.gov 909-798-3272
Hydrologic Technician John M Chan jmchan@usgs.gov 707-468-4040
Geologist and Acting Program Chief for Groundwater Availability and Use Geoff Cromwell, PhD gcromwell@usgs.gov 805-266-5234
Research Geologist Jennifer A. Curtis jacurtis@usgs.gov 707-834-7818
Hydrologic Technician Alonso G De La O adelao@usgs.gov 909-798-3272
Hydrologist Matthew De Parsia mdeparsia@usgs.gov 916-278-3080
Hydrologic Technician Patrick C Dellwo pdellwo@usgs.gov 916-278-3000
Associate Director for Data Mark R Dickman mdickman@usgs.gov 916-666-9951
IT Specialist John Donovan jmd@usgs.gov 916-278-3120
Research Hydrologist Judith Z. Drexler jdrexler@usgs.gov 916-278-3057
Geographer Danielle Dupuy ddupuy@usgs.gov
Hydrologic Technician Dekker C Ehlers dehlers@usgs.gov 707-468-4040
Hydrologist John A Engott jaengott@usgs.gov 916-278-4808
Physical Scientist Joseph K Fackrell jfackrell@usgs.gov 650-329-4515
Hydrologist Kirsten E Faulkner kfaulkner@usgs.gov 916-278-3227
Research Fish Biologist Frederick Feyrer ffeyrer@usgs.gov 916-278-3232
Research Hydrologist Jacob A Fleck jafleck@usgs.gov 916-278-3063
Program Chief, Chemistry and Integrated Hydrologic Processes Miranda Fram, PhD mfram@usgs.gov 916-278-3088
Hydrologic Technician Lawrence Fujiwara hfujiwara@usgs.gov 916-278-3000
Hydrologist Riley Gannon rgannon@usgs.gov 858-598-4165
Physical Scientist Kathleen D Gans kgans@usgs.gov 650-329-5511
Hydrologic Technician Ben R Glass brglass@usgs.gov 805-928-9539
Biological Science Technician Jeff L Gronemyer jgronemyer@usgs.gov 916-278-3200
Hydrologist Krishangi Groover kgroover@usgs.gov 916-278-3000
Supervisory Hydrologic Technician Anthony Guerriero aguerrie@usgs.gov 831-460-7494
Visual Information Specialist Emerson Gusto egusto@usgs.gov 916-278-3000
Hydrologist Angela Hansen anhansen@usgs.gov 916-278-3306
Hydrologist Jeffrey A Hansen jahansen@usgs.gov 916-278-3076
Research Hydrologist Jennifer (Jennie) Harkness jharkness@usgs.gov 916-278-3029
Hydrologist David Hart dhart@usgs.gov 916-278-9256
Hydrologist Dan Haught, Ph.D. dwhealdo@usgs.gov 916-278-3171
Chief Projects Manager Glenn Henz ghenz@usgs.gov 916-278-3101
Hydrologic Technician Alek Hernes ahernes@usgs.gov 916-278-3000
Research Hydrologist Joseph A Hevesi jhevesi@usgs.gov 916-278-3274
Supervisory Hydrologic Technician Travis Hiett trhiett@usgs.gov 916-381-0207
Research Chemist Michelle L Hladik, PhD mhladik@usgs.gov 916-278-3183
Hydrologist James F Howle jfhowle@usgs.gov 530-587-0910
Ext: 2017
Fish Biologist Brock Huntsman bhuntsman@usgs.gov 916-278-3117
Geophysicist Emily Imperato eimperato@usgs.gov
Hydrologist and Acting Program Chief for Hydrodynamics and Ecology Elizabeth Jachens, PhD ejachens@usgs.gov 619-225-6144
Research Hydrologist Bryant C Jurgens bjurgens@usgs.gov 916-278-3275
Software Developer Colin Keating ckeating@usgs.gov (916) 278-3000
Geographer Kathryn Koczot kmkoczot@usgs.gov 619-225-6152
Research Soil Scientist and Acting Program Chief for Biogeochemistry Tamara Kraus, PhD tkraus@usgs.gov 916-278-3260
Research Hydrologist Justin Kulongoski kulongos@usgs.gov 619-225-6122
Physical Scientist Elisabeth LaBarbera elabarbera@usgs.gov 916-278-3280
Hydrologist Michael T Land mtland@usgs.gov 619-225-6168
Program Chief, Groundwater Characterization Matthew K Landon landon@usgs.gov 619-225-6109
Hydrologist Joshua Larsen jlarsen@usgs.gov 619-225-6123
Hydrologic Technician Brandon Ledbetter bjledbetter@usgs.gov
Research Geologist Zeno Levy, Ph.D. zlevy@usgs.gov 916-278-3005
Hydrologist/Projects Program Coordinator Joan Lopez jvlopez@usgs.gov 916-278-3085
Public Information Coordinator / Administrative Assistant Gabriel Lopez glopez@usgs.gov 916-278-3026
Physical Scientist Vong Lor vlor@usgs.gov 916-278-3242
Management Analyst Sheila Matsukawa smatsuka@usgs.gov 702-823-1117
Hydrologic Technician Ryan Mesmer rmesmer@usgs.gov 619-225-6165
Hydrologist Loren Metzger lmetzger@usgs.gov 916-278-3003
Hydrologic Technician Shanna Lynn-Rose Miller slrmiller@usgs.gov 916-278-3036
Hydrologic Technician Alysha Mitchell amitchell@usgs.gov 253-552-1674
Hydrologist Tara Morgan-King tamorgan@usgs.gov 916-374-8554
Hydrologic Technician Andrew Y Morita amorita@usgs.gov 619-225-6167
Center Director Anke Mueller-Solger, PhD amueller-solger@usgs.gov 916-508-8116
Hydrologic Technician Kyle Nakatsuka knakatsuka@usgs.gov 916-278-3133
Postdoctoral Researcher Schuyler Nardelli, PhD snardelli@usgs.gov 315-750-8478
Hydrologist Joseph Nawikas jnawika@usgs.gov 530-587-0910
Biologist Erica Nejad enejad@usgs.gov 650-329-5004
Research Chemist Lisa Nowell lhnowell@usgs.gov 916-278-3096
Hydrologic Technician Katy O'Donnell kodonnell@usgs.gov 916-278-3291
Physical Scientist Justine Overacker, PhD joveracker@usgs.gov
Biological Science Technician Danielle Palm dpalm@usgs.gov 916-278-3022
Supervisory Hydrologist Edmund Parvin eparvin@usgs.gov 530-587-0910
Associate Director for Administration Jeanette R Rainey jrainey@usgs.gov 916-709-5995
Regional Director, Southwest Eric Reichard egreich@usgs.gov 916-978-2158
California Water Science Center Sarah Roberts saroberts@usgs.gov
Hydrologist Celia Rosecrans crosecrans@usgs.gov 916-278-3293
Geologist Christina D Rosenberg crosenberg@usgs.gov 916-2178-3256
Hydrologist Catherine Ruhl cruhl@usgs.gov 916-216-7267
Research Hydrologist Dina K. Saleh dsaleh@usgs.gov 916-278-3273
Chemist Corey Sanders csanders@usgs.gov 916-278-3289
Megan Schmer Megan Schmer mschmer@usgs.gov
Hydrologic Technician David M Segal dsegal@usgs.gov 239-841-0869
Data Managment Chief, Southwest Region Elizabeth Sellers esellers@usgs.gov 703-648-4385
Geographer Whitney Seymour wseymour@usgs.gov 619-225-6149
Associate Director for Science Operations Michelle Shouse mkshouse@usgs.gov 916-278-9560
Public Affairs Specialist Shipra Shukla sshukla@usgs.gov 916-532-3024
Hydrologic Technician Zoë Siman-Tov zsiman-tov@usgs.gov
PHYSICAL SCIENTIST Anthony Smith ajsmith@usgs.gov
Hydrologist Andrew L Soldavini asoldavini@usgs.gov 619-225-6139
Hydrologic Technician James R Solum jsolum@usgs.gov 805-928-9539
Hydrologist Emerita Christina L Stamos-Pfeiffer clstamos@usgs.gov 619-225-6141
Hydrologist Zachary Stanko zstanko@usgs.gov 619-225-6448
Research Hydrologist Michael J Stephens mjstephens@usgs.gov 916-278-9240
Hydrologic Technician Daryna Sushch dsushch@usgs.gov 916-278-3000
Hydrologic Technician Elias Tejeda etejeda@usgs.gov 916-278-3000
Hydrologic Technician Jessica Teunis jateunis@usgs.gov 619-225-6114
Hydrologist Jonathan Traum jtraum@usgs.gov 916-278-3129
Hydrologic Technician Matthew Uychutin muychutin@usgs.gov 916-278-3127
Physical Scientist Philip Van Wagoner pvanwagoner@usgs.gov 916-278-3000
Fish Biologist Veronica Violette (Larwood) vviolette@usgs.gov 916-716-7372
Hydrologist Stefan Voss savoss@usgs.gov 916-278-3109
Hydrologist John G Warden, Ph.D. jwarden@usgs.gov 619-225-6100
Physical Scientist Elise Watson ewatson@usgs.gov 619-225-6426
Research Physical Scientist Emily E Woodward ewoodward@usgs.gov 412-569-1004
Hydrologist Michael T Wright mtwright@usgs.gov 619-225-6120
Biologist Marissa Wulff mwulff@usgs.gov 916-278-3299
Research Fish Biologist Matthew J Young, PhD mjyoung@usgs.gov 916-278-3004
Hydrologist Diana Zamora-Reyes, PhD dzamora-reyes@usgs.gov 916-278-3120
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