GLA has more than 300 employees located in 27 offices in the U.S. and abroad.

2777 East Guasti Road, Suite 1
Ontario, CA 91761

(909) 626‐2282

  Mike Reason, PG, CHG
Southern California Operating Unit Manager

Scottsdale (Phoenix)

8777 N. Gainey Center Drive, Suite 250
Scottsdale, AZ 85258

(480) 659-7131

Geno Mammini, RG (Clear Creek Associates)
Principal Hydrogeologist

Doug Junk (GLA)
Senior Project Manager / Solid Waste Market Sector Leader

Tucson (Clear Creek Associates)

221 N. Court Avenue, Suite 101
Tucson, AZ 85701

(520) 622-3222

Jamie Kennealy, RG
Senior Hydrogeologist / Tucson Branch Manager

Anaheim

3921-A East LaPalma Avenue
Anaheim, CA 92807

(714) 630‐5855

John Hower, PG, CEG
Senior Vice President Operations / Anaheim Branch Manager

Grass Valley

143E Spring Hill Drive
Grass Valley, CA 95945

(530) 272‐2448

Mark Bittner, PG
Senior Geologist / Northern California Operational Unit Manager

(530) 272‐2448

Grass Valley Laboratory

Philip Plant
Grass Valley Laboratory Manager

(530) 575-7917

Granite Bay (Sacramento)

4190 Douglas Boulevard, Suite 250
Granite Bay, CA 95746

(916) 771-7904

John Hower, PG, CEG
Senior Vice President Operations / Northern California Operating Unit Manager

San Jose

6300 San Ignacio Avenue, Suite A
San Jose, CA 95119

(408) 778‐2818

Beeson Liang, PE, GE
Principal Geotechnical Engineer / San Jose Branch Manager

Costa Mesa

3150 Bristol Street, Suite 210
Costa Mesa, CA 92626

(657) 218-4708

Neven Matasovic, Ph.D., PE, GE (GLA)
Principal Geotechnical Engineer / Geotechnical Unit Manager

John J. Dodge, PG, CHG (Daniel B. Stephens & Associates)
Principal Hydrogeologist

 

Riverside

21760 Van Buren Boulevard, Suite 104
Riverside, CA 92508

(909) 383‐8729

Stacy Baird
Vice President – CQA/Field Services Unit Manager

San Diego

11415 West Bernardo Court, Suite 200
San Diego, CA 92127

(858) 451‐1136

Mark Bittner, PG
Senior Geologist / San Diego Branch Manager

Petaluma (RMC Geoscience)

775 Baywood Drive, Suite 305
Petaluma, CA 94954

(707) 658-7088

Rick Mitchell, PG, CEG
Principal Engineering Geologist / Northern California Unit Manager

Santa Barbara (Daniel B. Stephens & Associates)

3916 State Street, Garden Suite 1A
Santa Barbara, CA 93105

(805) 683-2409

Tony Morgan, PG, CHG
Principal Hydrogeologist / Water Planning and Development Market Sector Leader

Greenwood Village (Denver)

7100 E Belleview Avenue, Suite 125
Greenwood Village, Colorado 80111

(303) 232-3310

Gabriel Iltis, PhD, PE
Denver Branch Manager

Durango (Daniel B. Stephens & Associates)

125 Mercado Street, Suite 119
Durango, CO 81301

(970) 403-8895

John Casey, PE
Senior Engineer / Durango Branch Manager

Washington, D.C. Area (Daniel B. Stephens & Associates)

43 Randolph Road, Suite 129
Silver Spring, MD 20904

(301) 755‐6270

Gregory Schnaar, PhD, PG
Senior Environmental Scientist / Legal Market Sector Leader

Albuquerque (Daniel B. Stephens & Associates) Headquarters

6020 Academy Road NE, Suite 100
Albuquerque, NM 87109

(505) 822-9400

James Kelsey, PG
President, Daniel B Stephens & Associates, Inc. / Senior Vice President, Operations, GLA / Operations Unit Manager

 

Albuquerque, (Daniel B. Stephens & Associates) Soil Testing & Research Laboratory

4400 Alameda Boulevard NE, Suite C
Albuquerque, NM 87113

(505) 889-7752

Joleen Hines
Laboratory Services Operations Manager

Sparks (Reno)

56 Coney Island Drive
Sparks, NV 89431

(775) 284‐5500

Robert Valceschini, PE
Principal Engineer / Mining Market Sector Leader

Reno (MINES Group, Inc.)

1325 Airmotive Way, Suite 175U
Reno, NV 89502

(775) 322-7622

Kenneth (Ken) L. Myers, PE
Civil/Geotechnical/Geological Engineer

Newport

PO Box 288
Newport, OR 97365

(541) 848-8859

Aaron Ogorzalek, PE
Senior Engineer / Newport Branch Manager

Portland (Summit Water Resources)

4784 SE 17th Avenue, Suite 111
Portland, OR 97202

(503) 967-7050

Jason Melady
Principal Hydrogeologist / Portland Branch Manager

Austin (Daniel B. Stephens & Associates)

12303 Technology Boulevard, Suite 930D
Austin, TX 78727

(512) 821-2765

Kevin Hopson, PG
Principal Hydrogeologist / Texas Unit Operations Manager

 

Lubbock (Daniel B. Stephens & Associates)

4601 50^th Street, Suite 113
Lubbock, Texas 79414

(806) 785-7280

Todd Seebaum, CAPM
Lubbock Branch Manager

Camas (Summit Water Resources)

416 NE Dallas St., Suite 201
Camas, WA 98607

(360) 566-7119

Brad Bessinger, PhD, PG
Principal Geochemist /Summit Water Resources 

Beaver Dam (Kunkel Engineering Group)

107 Parallel Street
Beaver Dam, WI 53916

(920) 356‐9447

Don Neitzel
General Manager / Kunkel Engineering Group Operations

 

West Bend (Kunkel Engineering Group)

1115 South Main Street
West Bend, WI 53095

(920) 356-9447

Mitch Leisses
Construction Manager / West Bend Branch Manager

Avenida Pardo y Aliaga 675, Oficina 402
San Isidro, Lima 15073, Perú

P# 520.812.0229

Veronica Rodriguez, PMP
General Manager Latin America