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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.


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Joseph Domagalski

Program Chief, Biogeochemistry and Contaminants

Claudia C. Faunt

Program Chief, Groundwater Availability and Use Assessments

Miranda Fram

Program Chief, Statewide and National Water Quality Assessments

Matthew K Landon

Program Chief, California Oil, Gas and Groundwater

Paul Work, Ph.D., P.E., D.CE

Program Chief, Estuarine Hydrodynamics and Sediment Transport

Employee Directory

Job Title Name Email Phone
Public Affairs Specialist Steve Ackley 916-278-3105
Hydrologic Technician Malanyon Adams 916-278-3000
Field Coordinator Sarmad Alkayssi 916-278-3064
Administrative Operations Assistant Jordan S Almos 916-278-3000
Research Chemist Charles N Alpers 916-278-3134
Research Hydrologist Ayman H Alzraiee, PhD 916-278-3256
Research Hydrologist Robert Anders 619-225-6155
Fish Biologist David Ayers 916-374-8554
Hydrologic Technician Davis J Badger 805-928-9539
Hydrologic Technician Alexander L Bailess 916-278-3000
Administrative Operations Assistant Chardae Baker
Hydrologist Mariia Balkan 916-278-3095
Hydrologic Technician Kristopher F Barrios 916-381-0207
Hydrologic Technician Tim Baxter 916-278-3000
Hydrologist George Bennett 916-278-3099
Research Chemist Brian Bergamaschi 916-278-3053
Hydrologic Technician Thomas Bergamaschi 916-278-3000
Scientist Gabrielle Black
Geographer Sandra Bond 916-278-3031
Field Assistant (Hydrology) Bryan G Bonham 916-278-3000
Biologist Keith Bouma-Gregson, PhD 510-230-3691
Research Hydrologist Scott Boyce, PhD 619-225-6102
Geophysicist Justin Brandt 916-278-3159
Supervisory Hydrologic Technician Gregory Brewster 916-278-3132
Hydrologic Technician Anthony A. Brown 619-225-6140
Physical Scientist Stephanie Buck 918-237-0588
Hydrologic Technician Dylan Burau 916-278-3294
Supervisory Hydrologist Jon Burau 916-997-4206
Biologist Jordan M Buxton, Master of Professional Science
Deputy Associate Director for Data Louis A Caldwell 619-225-6103
Hydrologic Technician Richard B Castro 909-798-3272
Hydrologic Technician John M Chan 707-468-4040
Hydrologist Allen Christensen 619-225-6175
Biological Science Technician Justin K Clause 916-278-3000
Administrative Operations Assistant Jordan Conneely 916-278-3000
Supervisory Geologist, Chief Research Drilling Program Steven M Crawford 702-823-1235
Geologist Geoff Cromwell 805-928-9539
Ext: 11
Hydrologist Daniel Culling 619-225-6194
Research Geologist Jennifer A. Curtis 707-834-7818
Research Hydrologist Wesley Danskin 619-225-6132
Hydrologist Tracy Davis 619-225-6143
Hydrologic Technician Alonso G De La O 909-798-3272
Hydrologist Erica De Parsia 916-278-3211
Hydrologist Matthew De Parsia 916-278-3080
Hydrologic Technician Ayelet Delascagigas 916-823-1793
Hydrologic Technician Patrick C Dellwo 916-278-3000
Management Analyst Gregory Denn 619-225-6100
Hydrologist Meghan C Dick 619-225-6154
Associate Director for Data Mark R Dickman 916-666-9951
Program Chief, Biogeochemistry and Contaminants Joseph Domagalski 916-278-3077
IT Specialist John Donovan 916-278-3120
Research Hydrologist Judith Z Drexler 916-278-3057
Biologist Taylor Eddy 650-329-4448
Hydrologic Technician Dekker C Ehlers 707-468-4040
Hydrologist John A Engott 916-278-4808
Physical Scientist Christian L Estrada 916-278-3000
Physical Scientist Joseph K Fackrell 650-329-4515
Hydrologist Kirsten E Faulkner 916-278-3227
Program Chief, Groundwater Availability and Use Assessments Claudia C. Faunt 619-225-6142
Hydrologist Nicole C Fenton 619-225-6159
Research Fish Biologist Frederick Feyrer 916-278-3232
Research Hydrologist Jacob A Fleck 916-278-3063
Program Chief, Statewide and National Water Quality Assessments Miranda Fram 916-278-3088
Hydrologic Technician Lawrence Fujiwara 916-278-3000
Hydrologist Riley Gannon 858-598-4165
Physical Scientist Kathleen D Gans 650-329-5511
Hydrologic Technician Ben R Glass 805-928-9539
Hydrologist Dara Goldrath 619-225-6174
Biological Science Technician Jeff L Gronemyer 916-278-3200
Hydrologist Krishangi Groover 619-225-6144
Research Chemist Michael S Gross 916-278-3176
Supervisory Hydrologic Technician Anthony Guerriero 831-460-7494
Visual Information Specialist Emerson Gusto 916-278-3000
Hydrologist Angela Hansen 916-278-3306
Hydrologist Jeffrey A Hansen 916-278-3076
Hydrologist Jennifer Harkness 916-278-3029
Hydrologist David Hart 916-278-9256
Hydrologist Dan Haught, Ph.D. 916-278-3171
Research Hydrologist Wesley Henson, Ph.D. 619-225-6170
Administrative Officer Glenn Henz 916-278-3101
Research Hydrologist Joseph A Hevesi 916-278-3274
Hydrologic Technician Michael Hitzelberger 916-278-3000
Research Chemist Michelle L Hladik 916-278-3183
Hydrologic Technician Paul Honeywell 530-587-0910
Hydrologist James F Howle 530-587-0910
Ext: 2017
Fish Biologist Brock Huntsman 916-278-3117
Research Hydrologist John Izbicki 619-225-6131
Hydrologist Elizabeth Jachens 619-225-6144
Postdoctoral Biologist Andrea Jaegge
Geophysicist Tamara Jeppson
Hydrologic Technician Thomas A. Jetson (Johnston) 916-278-3110
Research Geographer Tyler Johnson 619-225-6137
Hydrologic Technician Nathan I Jumps 916-278-3000
Research Hydrologist Bryant C Jurgens 916-278-3275
Hydrologic Technician Emilie F Kitterman 916-278-3000
Hydrologic Technician Adam Kjos 619-225-6145
Geographer Kathryn Koczot 619-225-6152
Research Soil Scientist Tamara Kraus 916-278-3260
Research Hydrologist Justin Kulongoski 619-225-6122
Physical Scientist Elisabeth LaBarbera 916-278-3000
Hydrologist Michael T Land 619-225-6168
Program Chief, California Oil, Gas and Groundwater Matthew K Landon 619-225-6109
Hydrologist Joshua Larsen 619-225-6123
Biological Science Technician Veronica Larwood 916-716-7372
Field Assistant (Hydrology) Anne K Le 916-278-3000
Hydrologic Technician Michael J Lee 909-798-3272
Hydrologist Leah E Kammel Lenoch 608-212-7890
Research Geologist Zeno Levy, Ph.D. 916-278-3005
Hydrologic Technician Bill M Li 858-679-4015
Hydrologist/Projects Program Coordinator Joan Lopez 916-278-3085
Public Information Coordinator / Administrative Assistant Gabriel Lopez 916-278-3026
Physical Scientist Vong Lor 916-278-3242
Program Chief, Watershed Sciences Mathieu Marineau 916-278-3179
Scientist Emeritus Peter R Martin 619-225-6127
Geographer Donald Martin 619-225-6162
Hydrologic Technician Timothy M Mathany 916-278-3066
Naomi Mau
Geographer Kelly R McPherson 916-278-3169
Geologist Connor Joseph McVey 916-278-3039
Hydrologist Gregory Mendez 619-225-6176
Hydrologic Technician Ryan Mesmer 619-225-6165
Hydrologist Loren Metzger 916-278-3003
Hydrologist Tara Morgan-King 916-374-8554
Hydrologic Technician Andrew Y Morita 619-225-6167
Center Director Anke Mueller-Solger, PhD 916-508-8116
Hydrologic Technician Kyle Nakatsuka 916-278-3133
Hydrologist Joseph Nawikas 530-587-0910
Biologist Erica Nejad 650-329-5004
Scientist Emeritus Tracy Nishikawa 619-225-6148
Research Chemist Lisa Nowell 916-278-3096
Hydrologic Technician Katy O'Donnell 916-278-3291
Hydrologist James Orlando 916-278-3271
Biological Science Technician Danielle Palm 916-278-3022
Supervisory Hydrologist Edmund Parvin 530-587-0910
Hydrologist Scott Paulinski 619-225-6100
Hydrologic Technician Milissa F Peterson 619-225-6100
Administrative Officer Jeanette R Rainey 916-709-5995
Hydrologist Katherine Ransom 916-817-9259
IT Specialist (CUSTSPT) Edward Reeves 619-225-6196
Regional Director, Southwest Eric Reichard 916-978-2158
Physical Scientist Emily Richardson 916-278-3000
Hydrologic Technician Shanna L Rose 916-278-3036
Hydrologist Celia Rosecrans 916-278-3293
Hydrologist Catherine Ruhl 916-617-2799
Ext: 7720
Research Hydrologist Dina Saleh 916-278-3273
Chemist Corey Sanders 916-278-3289
Field Assistant (Hydrology) Corrine E Sanford 916-278-3000
Oceanographer Tara Schraga 650-329-4381
Hydologist David M Segal 239-275-8448
Ext: 27
Student Trainee (Hydrology) Neil Seitz 619-225-6163
Geographer Whitney Seymour 619-225-6149
Hydrologist Jennifer Shelton 916-278-3068
Associate Director for Science Operations Michelle Shouse 916-278-9560
Shipra Shukla
Technical Support Coordinator for Groundwater Science Michelle Sneed 916-708-2479
Hydrologist Andrew L Soldavini 619-225-6139
Hydrologic Technician James R Solum 805-928-9539
Hydrologic Technician Jeniffer Soto Perez 916-278-3061
Hydrologist Christina L Stamos-Pfeiffer 619-225-6141
Hydrologist Zachary Stanko 619-225-6448
Hydrologist Michael J Stephens 916-278-9240
Hydrologist Michelle Stern 916-278-3093
Hydrologist/Data Administrator Sylvia Stork 916-278-3115
Physical Research Scientist Ellen Stuart-Haëntjens (previously Goodrich-Stuart) 916-278-3000
Hydrologist Paul Stumpner 916-207-6761
Hydrologic Technician Daryna Sushch 916-278-3000
Program Officer Kimberly Taylor, PhD 916-825-6264
Hydrologic Technician Elias Tejeda 916-278-3000
Hydrologic Technician Jessica Teunis 619-225-6114
Hydrologic Technician Rachel C Thomas 907-786-7103
Hydrologist Jonathan Traum 916-278-3129
Hydrologic Technician Matthew Uychutin 916-278-3127
Hydrologist Stefan Voss 916-278-3109
IT Specialist (Customer Support) Jennifer Wagner 916-278-3184
Physical Scientist Brendan Wakefield 916-278-3082
Hydrologist John G Warden, Ph.D. 619-225-6100
ITT Chief Stuart Wilson 775-887-7608
Administrative Operations Specialist Angie L Woods 803-750-6195
Physical Scientist Emily E Woodward 412-569-1004
Program Chief, Estuarine Hydrodynamics and Sediment Transport Paul Work, Ph.D., P.E., D.CE 916-618-3899
Hydrologist Michael T Wright 619-225-6120
Program Chief, Watersheds, Ecology, and Integrated Hydrologic Modeling (Acting) Scott A Wright 916-278-3024
Biologist Marissa Wulff 916-278-3299
Fish Biologist Matthew J Young, PhD 916-278-3004
Hydrologic Technician Mojica Perez Yovvani 530-414-3721
Reports Specialist Jeffrey Ziegeweid 612-209-6436