Related Links: GRA Directors | GRA Committees
Central Coast
President
Terry L. Foreman
CH2M HILL
805-371-7817 ext. 27
tforeman@ch2m.com
Vice President
Stephanie Osler Hastings

Hatch and Parent
805-963-7000, x 415
shastings@hatchparent.com
Secretary
William (Bill) O'Brien, PE
Applications International Corp. (SAIC)
805-966-0811 x 3208
obrienw@saic.com
Treasurer
Ryan Harding

Tetra Tech, Inc.
805-681-3100, x 114
ryan.harding@tetratech.com
Sacramento
President
Steve Phillips

USGS
6000 J Street, Placer Hall
Sacramento, CA 95819-6129
Tel: 916-278-3002
Fax: 916-278-3013
Email: sphillips@usgs.gov
Vice President
Pat Dunn
Jacobson Helgoth Consultants
718 Sutter Street, Suite 208
Folsom, CA 95630
Tel: 916-985-3353
Fax: 916-985-3393
Email: pfdunn@pacbell.net

Secretary
Steve Lofholm
Golder Associates
1009 Enterprise Way, Suite 350
Roseville, CA 95678
Tel: 916-786-2424
Fax: 916-786-2434
Email: slofholm@golder.com

Treasurer
David Von Aspern
Wallace Kuhl & Associates
3050 Industrial Boulevard
West Sacramento, CA 95691
Tel: 916-372-1434
Fax: 916-372-2565
Email: dvonaspern@wallace-kuhl.com
Member at Large
Harold Duke
CA-DTSC
8800 Cal Center Drive
Sacramento, CA 95826
Phone: 916-255-3695
Fax: 916-255-3697
Email: bduke@dtsc.ca.gov
Member at Large
John Ayres
CDM
2151 River Plaza Drive, Suite 200
Sacramento CA 95833
Phone: 916-567-9900
Fax: 916-567-9905
Email: ayresjw@cdm.com
San Francisco Bay Area
President
Mary Morkin
Geomatrix Consultants, Inc.
2101 Webster Street, 12th Floor
Oakland, CA 94612
Tel: 510-663-4100
Fax: 510-663-4141
Email: mmorkin@geomatrix.com
Vice President
Bill Motzer
Todd Engineers
2200 Powell Street, Suite 225
Emeryville, CA 94608
Tel: 510-595-2120
Fax: 510-595-2112
Email: bmotzer@toddengineers.com
Secretary
Katrin Schliewen
LFR Levine-Fricke
1900 Powell Street, 12th Floor
Emeryville, CA 94608
Phone: 510-652-4500
Fax: 510-652-2246
Email: katrin.schliewen@lfr.com

Treasurer
David Abbott
Todd Engineers
2200 Powell Street, Suite 225
Emeryville, CA 94608
Tel: 510-595-2120
Fax: 510-595-2112
Email: dabbott@toddengineers.com

South Bay Coordinator
Mark Wheeler
Crawford Consulting
2 North First Street, 4th Floor
San Jose, CA 95113
Tel: 408-287-9934
Fax: 408-287-9937
Email: mark@crawfordconsulting.com

Technical Advisory Member
Bryan Turner
Geomatrix Consultants, Inc.
2101 Webster Street, 12th Floor
Oakland, CA 94612
Tel: 510-663-4100
Fax: 510-663-4141
Email: bturner@geomatrix.com

Technical Advisory Member
Jim Ulrick
Ulrick & Associates
1400 Grand View Drive
Berkeley, CA 94705-1634
Tel: 510-848-3721
Fax: 510-848-2771
Email: julrick@ulrick.com

 

San Joaquin Valley
President
William Pipes

Geomatrix Consultants, Inc.
2444 Main Street, Suite 215
Fresno, CA 93721
Tel: 559-264-2535
Fax: 559-264-7431
Email: wpipes@geomatrix.com
Vice President
Tom Haslebacher

Kern County Water Agency
2512 McCurdy Drive
Bakersfield, CA 93306
Tel: 661-871-5244
Email: thaslebacher@bak.rr.com
Secretary
Mary McClanahan

California Water Institute
5370 N. Chestnut Avenue
Fresno, CA 93740
Tel: 559-278-8468
Fax: 559-278-6581
Email: mmcclana@csufresno.edu
Treasurer
Chris Campbell

Baker Manock & Jensen
5260 North Palm, Suite 421
Fresno, CA 93704
Tel: 559-432-5400
Fax: 559-432-5620
Email: clc@bmj-law.com
Technical Advisory Member
Barbara Houghton

Geomatrix Consultants, Inc.
5000 California Avenue, Suite 201
Bakersfield, CA 93309
Tel: 661-633-7600
Fax: 661-633-7603
Email: bhoughton@geomatrix.com
Technical Advisory Member
Gres Issinghoff

RWQCB, Central Valley Region
1685 E Street
Fresno, CA 93706
Tel: 559-488-4390
Fax: 559-445-5910
Email: issinghoffg@r5f.swrcb.ca.gov
Technical Advisory Member
Bruce Myers

RWQCB, Central Valley Region
1685 E Street
Fresno, CA 93706
Tel: 559-488-4397
Fax: 559-445-5910
Email: myersb@rb5f.swrcb.ca.gov
Southern California
President
Darrell Thompson

Shaw Environmental
3347 Michelson Drive, Suite 200
Irvine, CA 92612-1692
Tel: 949-660-7532
Fax: 949-474-8309
Email: darrell.h.thompson@shawgrp.com
Vice President
Peter Murphy

Kennedy/Jenks Consultants
2151 Michelson Drive, Suite 100
Irvine, CA 92612
Tel: 949-261-1577
Fax: 949-261-2134
Email: petermurphy@kennedyjenks.com
Treasurer
Bob Ruscitto

ARCADIS Geraghty & Miller, Inc.
10685 El Silbido Avenue
Fountain Valley, CA 92708
Tel: 714-278-0992
Fax: 714-278-0051
Email: rruscitto@arcadis-us.com
 
915 L St, Ste 1000 * Sacramento, CA 95814 * Ph 916-446-3626 * Fx 916-442-0382
 

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