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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

Michelle Shouse

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

Mark R Dickman

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

Mathieu Marineau

Program Chief, Watershed Sciences
California Water Science Center
Phone
916-278-3179

Joseph Domagalski

Program Chief, Biogeochemistry and Contaminants
California Water Science Center
Phone
916-278-3077

Claudia C. Faunt

Program Chief, Groundwater Availability and Use Assessments
California Water Science Center
Phone
619-225-6142

Miranda Fram

Program Chief, Statewide and National Water Quality Assessments
California Water Science Center
Phone
916-278-3088

Matthew K Landon

Program Chief, California Oil, Gas and Groundwater
California Water Science Center
Phone
619-225-6109

Jeanette R Rainey

Administrative Officer
California Water Science Center
Phone
916-709-5995

Richard G Niswonger

Research Hydrologist
Water Resources Mission Area

Employee Directory

Job Title
Name
Email
Phone
Hydrologist Allen Christensen ahchrist@usgs.gov 619-225-6175
Hydrologic Technician Alonso G De La O adelao@usgs.gov 909-798-3272
Postdoctoral Biologist Andrea Jaegge ajaegge@usgs.gov
Hydrologist Andrew L Soldavini asoldavini@usgs.gov 619-225-6139
Hydrologic Technician Andrew Y Morita amorita@usgs.gov 619-225-6167
Hydrologist Angela Hansen anhansen@usgs.gov 916-278-3306
Administrative Operations Specialist Angie L Woods alwoods@usgs.gov 803-750-6195
Center Director Anke Mueller-Solger, PhD amueller-solger@usgs.gov 916-508-8116
Field Assistant (Hydrology) Anne K Le ale@usgs.gov 916-278-3000
Hydrologic Technician Anthony A. Brown anbrown@usgs.gov 619-225-6140
Supervisory Hydrologic Technician Anthony Guerriero aguerrie@usgs.gov 831-460-7494
PHYSICAL SCIENTIST Anthony Smith ajsmith@usgs.gov
Hydrologic Technician Ayelet Delascagigas adelascagigas@usgs.gov 916-823-1793
Research Hydrologist Ayman H Alzraiee, PhD aalzraiee@usgs.gov 916-278-3256
Hydrologic Technician Ben R Glass brglass@usgs.gov 805-928-9539
Hydrologic Technician Bill M Li bli@usgs.gov 858-679-4015
Hydrologic Technician Brandon Ledbetter bjledbetter@usgs.gov
Physical Scientist Brendan Wakefield bwakefield@usgs.gov 916-278-3082
Research Chemist Brian Bergamaschi bbergama@usgs.gov 916-278-3053
Fish Biologist Brock Huntsman bhuntsman@usgs.gov 916-278-3117
Field Assistant (Hydrology) Bryan G Bonham bbonham@usgs.gov 916-278-3000
Research Hydrologist Bryant C Jurgens bjurgens@usgs.gov 916-278-3275
Hydrologist Catherine Ruhl cruhl@usgs.gov 916-617-2799
Ext: 7720
Hydrologist Celia Rosecrans crosecrans@usgs.gov 916-278-3293
Administrative Operations Assistant Chardae Baker
Research Chemist Charles N Alpers cnalpers@usgs.gov 916-278-3134
Geologist Christina D Rosenberg crosenberg@usgs.gov 916-2178-3256
Hydrologist Emerita Christina L Stamos-Pfeiffer clstamos@usgs.gov 619-225-6141
Program Chief, Groundwater Availability and Use Assessments Claudia C. Faunt ccfaunt@usgs.gov 619-225-6142
Chemist Corey Sanders csanders@usgs.gov 916-278-3289
Hydrologist Daniel Culling dculling@usgs.gov 619-225-6194
Biological Science Technician Danielle Palm dpalm@usgs.gov 916-278-3022
Hydrologic Technician Daryna Sushch dsushch@usgs.gov 916-278-3000
Hydrologist David Hart dhart@usgs.gov 916-278-9256
Hydologist David M Segal dsegal@usgs.gov 239-275-8448
Ext: 27
Hydrologic Technician Davis J Badger dbadger@usgs.gov 805-928-9539
Hydrologic Technician Dekker C Ehlers dehlers@usgs.gov 707-468-4040
Research Hydrologist Dina Saleh dsaleh@usgs.gov 916-278-3273
Geographer Donald Martin domartin@usgs.gov 619-225-6162
Research Geologist Dulcinea Avouris, PhD davouris@usgs.gov
Hydrologic Technician Dylan Burau dburau@usgs.gov 916-278-3294
Supervisory Hydrologist Edmund Parvin eparvin@usgs.gov 530-587-0910
IT Specialist (CUSTSPT) Edward Reeves ereeves@usgs.gov 619-225-6196
Hydrologic Technician Elias Tejeda etejeda@usgs.gov 916-278-3000
Physical Scientist Elisabeth LaBarbera elabarbera@usgs.gov 916-278-3280
Hydrologist Elizabeth Jachens ejachens@usgs.gov 619-225-6144
Visual Information Specialist Emerson Gusto egusto@usgs.gov 916-278-3000
Hydrologic Technician Emilie F Kitterman ekitterman@usgs.gov 916-278-3000
Research Physical Scientist Emily E Woodward ewoodward@usgs.gov 412-569-1004
Physical Scientist Emily Richardson erichardson@usgs.gov 916-278-3000
Regional Director, Southwest Eric Reichard egreich@usgs.gov 916-978-2158
Hydrologist Erica De Parsia edeparsia@usgs.gov 916-278-3211
Biologist Erica Nejad enejad@usgs.gov 650-329-5004
Research Fish Biologist Frederick Feyrer ffeyrer@usgs.gov 916-278-3232
Public Information Coordinator / Administrative Assistant Gabriel Lopez glopez@usgs.gov 916-278-3026
Chemist Gabrielle Black, PhD gpblack@usgs.gov
Geologist Geoff Cromwell, PhD gcromwell@usgs.gov 805-266-5234
Hydrologist George Bennett georbenn@usgs.gov 916-278-3099
Chief Projects Officer Glenn Henz ghenz@usgs.gov 916-278-3101
Supervisory Hydrologic Technician Gregory Brewster gdbrews@usgs.gov 916-278-3132
Management Analyst Gregory Denn gdenn@usgs.gov 619-225-6100
STUDENT TRAINEE Hannah Mitchell hmitchell@usgs.gov
Hydrologic Technician Heidi Bockisch hbockisch@usgs.gov
Research Hydrologist Jacob A Fleck jafleck@usgs.gov 916-278-3063
Hydrologist James F Howle jfhowle@usgs.gov 530-587-0910
Ext: 2017
Hydrologist James Orlando jorlando@usgs.gov 916-278-3271
Hydrologic Technician James R Solum jsolum@usgs.gov 805-928-9539
Administrative Officer Jeanette R Rainey jrainey@usgs.gov 916-709-5995
Biological Science Technician Jeff L Gronemyer jgronemyer@usgs.gov 916-278-3200
Hydrologist Jeffrey A Hansen jahansen@usgs.gov 916-278-3076
Reports Specialist Jeffrey Ziegeweid jrziege@usgs.gov 612-209-6436
Hydrologic Technician Jeniffer Soto Perez jsotoperez@usgs.gov 916-278-3061
Research Geologist Jennifer A. Curtis jacurtis@usgs.gov 707-834-7818
Hydrologist Jennifer Harkness jharkness@usgs.gov 916-278-3029
Hydrologist Jennifer Shelton jshelton@usgs.gov 916-278-3068
Hydrologic Technician Jessica Teunis jateunis@usgs.gov 619-225-6114
Hydrologist/Projects Program Coordinator Joan Lopez jvlopez@usgs.gov 916-278-3085
Hydrologist John A Engott jaengott@usgs.gov 916-278-4808
IT Specialist John Donovan jmd@usgs.gov 916-278-3120
Hydrologist John G Warden, Ph.D. jwarden@usgs.gov 619-225-6100
Research Hydrologist John Izbicki jaizbick@usgs.gov 619-225-6131
Hydrologic Technician John M Chan jmchan@usgs.gov 707-468-4040
Supervisory Hydrologist Jon Burau jrburau@usgs.gov 916-997-4206
Hydrologist Jonathan Traum jtraum@usgs.gov 916-278-3129
Administrative Operations Assistant Jordan Conneely jconneely@usgs.gov 916-278-3000
Biologist Jordan M Buxton, Master of Professional Science jbuxton@usgs.gov
Research Hydrologist Joseph A Hevesi jhevesi@usgs.gov 916-278-3274
Program Chief, Biogeochemistry and Contaminants Joseph Domagalski joed@usgs.gov 916-278-3077
Physical Scientist Joseph K Fackrell jfackrell@usgs.gov 650-329-4515
Hydrologist Joseph Nawikas jnawika@usgs.gov 530-587-0910
Hydrologist Joshua Larsen jlarsen@usgs.gov 619-225-6123
Research Hydrologist Judith Z. Drexler jdrexler@usgs.gov 916-278-3057
Geophysicist Justin Brandt jbrandt@usgs.gov 916-278-3159
Biological Science Technician Justin K Clause jclause@usgs.gov 916-278-3000
Research Hydrologist Justin Kulongoski kulongos@usgs.gov 619-225-6122
Physical Scientist Kathleen D Gans kgans@usgs.gov 650-329-5511
Geographer Kathryn Koczot kmkczot@usgs.gov 619-225-6152
Hydrologic Technician Katy O'Donnell kodonnell@usgs.gov 916-278-3291
Research Biologist Keith Bouma-Gregson kbouma-gregson@usgs.gov 510-230-3691
Geographer Kelly R McPherson krmcpher@usgs.gov 916-278-3169
Program Officer Kimberly Taylor, PhD ktaylor@usgs.gov 916-825-6264
Hydrologist Kirsten E Faulkner kfaulkner@usgs.gov 916-278-3227
Hydrologist Krishangi Groover kgroover@usgs.gov 916-278-3000
Hydrologic Technician Kristopher F Barrios kbarrios@usgs.gov 916-381-0207
Hydrologic Technician Kyle Nakatsuka knakatsuka@usgs.gov 916-278-3133
Hydrologic Technician Lawrence Fujiwara hfujiwara@usgs.gov 916-278-3000
Research Chemist Lisa Nowell lhnowell@usgs.gov 916-278-3096
Hydrologist Loren Metzger lmetzger@usgs.gov 916-278-3003
Deputy Associate Director for Data Louis A Caldwell lacald@usgs.gov 619-988-5805
Hydrologic Technician Malanyon Adams malanyonadams@usgs.gov 916-278-3000
Hydrologist Mariia Balkan mbalkan@usgs.gov 916-278-3095
Biologist Marissa Wulff mwulff@usgs.gov 916-278-3299
Associate Director for Data Mark R Dickman mdickman@usgs.gov 916-666-9951
Program Chief, Watershed Sciences Mathieu Marineau mmarineau@usgs.gov 916-278-3179
Hydrologist Matthew De Parsia mdeparsia@usgs.gov 916-278-3080
Research Fish Biologist Matthew J Young, PhD mjyoung@usgs.gov 916-278-3004
Program Chief, California Oil, Gas and Groundwater Matthew K Landon landon@usgs.gov 619-225-6109
Hydrologic Technician Matthew Uychutin muychutin@usgs.gov 916-278-3127
Hydrologist Meghan C Dick mdick@usgs.gov 619-225-6154
Hydrologic Technician Michael J Lee mjlee@usgs.gov 909-798-3272
Hydrologist Michael J Stephens mjstephens@usgs.gov 916-278-9240
Hydrologist Michael T Land mtland@usgs.gov 619-225-6168
Hydrologist Michael T Wright mtwright@usgs.gov 619-225-6120
Research Chemist Michelle L Hladik, PhD mhladik@usgs.gov 916-278-3183
Associate Director for Science Operations Michelle Shouse mkshouse@usgs.gov 916-278-9560
Technical Support Coordinator for Groundwater Science Michelle Sneed micsneed@usgs.gov 916-708-2479
Hydrologist Michelle Stern mstern@usgs.gov 916-278-3093
Program Chief, Statewide and National Water Quality Assessments Miranda Fram mfram@usgs.gov 916-278-3088
Hydrologic Technician Nathan I Jumps njumps@usgs.gov 916-278-3000
Student Trainee (Hydrology) Neil Seitz nseitz@usgs.gov 619-225-6163
Hydrologic Technician Patrick C Dellwo pdellwo@usgs.gov 916-278-3000
Hydrologist Paul Stumpner pstump@usgs.gov 916-207-6761
Scientist Emeritus Peter R Martin pmmartin@usgs.gov 619-225-6127
Hydrologic Technician Rachel C Thomas rcthomas@usgs.gov 907-786-7103
Hydrologic Technician Richard B Castro rbcastro@usgs.gov 909-798-3272
Hydrologist Riley Gannon rgannon@usgs.gov 858-598-4165
Research Hydrologist Robert Anders randers@usgs.gov 619-225-6155
Hydrologic Technician Ryan Mesmer rmesmer@usgs.gov 619-225-6165
Geographer Sandra Bond sbond@usgs.gov 916-278-3031
Field Coordinator Sarmad Alkayssi slalkayssi@usgs.gov 916-278-3064
Postdoctoral Researcher Schuyler Nardelli, PhD snardelli@usgs.gov
Research Hydrologist Scott Boyce, PhD seboyce@usgs.gov 619-225-6102
Hydrologist Scott Paulinski spaulinski@usgs.gov 619-225-6100
Hydrologic Technician Shanna Lynn-Rose Miller slrose@usgs.gov 916-278-3036
Management Analyst Sheila Matsukawa smatsuka@usgs.gov 702-823-1117
Public Affairs Specialist Shipra Shukla sshukla@usgs.gov
Hydrologist Stefan Voss savoss@usgs.gov 916-278-3109
Physical Scientist Stephanie Buck sbuck@usgs.gov 918-237-0588
Public Affairs Specialist Steve Ackley hackley@usgs.gov 916-278-3105
Supervisory Geologist, Chief Research Drilling Program Steven M Crawford smcrawfo@usgs.gov 702-823-1235
ITT Chief Stuart Wilson swwilson@usgs.gov 775-887-7608
Geophysicist Tamara Jeppson tjeppson@usgs.gov
Research Soil Scientist Tamara Kraus tkraus@usgs.gov 916-278-3260
Hydrologist Tara Morgan-King tamorgan@usgs.gov 916-374-8554
Oceanographer Tara Schraga tschraga@usgs.gov 650-329-4381
Hydrologic Technician Thomas A. Jetson (Johnston) tjohnston@usgs.gov 916-278-3110
Hydrologic Technician Thomas Bergamaschi tbergamaschi@usgs.gov 916-278-3000
Hydrologic Technician Tim Baxter tbaxter@usgs.gov 916-278-3000
Hydrologic Technician Timothy M Mathany tmathany@usgs.gov 916-278-3066
Hydrologist Tracy Davis tadavis@usgs.gov 619-225-6143
Scientist Emeritus Tracy Nishikawa tnish@usgs.gov 619-225-6148
Supervisory Hydrologic Technician Travis Hiett trhiett@usgs.gov 916-381-0207
Fish Biologist Veronica Violette (Larwood) vviolette@usgs.gov 916-716-7372
Hydrologic Technician Victoria D. Benitez vbenitez@usgs.gov 619-225-6143
Physical Scientist Vong Lor vlor@usgs.gov 916-278-3242
Research Hydrologist Wesley Danskin wdanskin@usgs.gov 619-225-6132
Research Hydrologist Wesley Henson, Ph.D. whenson@usgs.gov 619-225-6170
Geographer Whitney Seymour wseymour@usgs.gov 619-225-6149
Hydrologist Zachary Stanko zstanko@usgs.gov 619-225-6448
Research Geologist Zeno Levy, Ph.D. zlevy@usgs.gov 916-278-3005