GLA has more than 300 employees located in 29 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)

177 N. Church Avenue, Suite 800
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

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

Grass Valley Laboratory

Philip Plant
Grass Valley Laboratory Manager

(530) 575-7917

Granite Bay (Sacramento)

4190 Douglas Boulevard, Suite 250
Granite Bay, CA 95746

(530) 272-2448

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) 626-2282

Stacy Baird
Vice President – CQA/Field Services Unit Manager

San Diego

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

(858) 451‐1136

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

 

Solvang

1607 Mission Drive, Suite 200
Solvang, CA 93463

(909) 626-2282

Nicole T. Sweetland, PhD, PG
President, Principal Hydrogeologist

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

Greenwood Village (Denver)

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

(303) 232-3310

Gabriel Iltis, PhD, PE
Denver Branch Manager

Chicago Area

100 Illinois Street, Suite 201 
St. Charles, Illinois 60174

(630) 336-0344

Devin Moose, PE, DEE
Principal Engineer

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

6501 Americas Parkway NE, Suite 200
Albuquerque, NM 87110

(505) 822-9400

 Gundar Peterson, PE
President, Daniel B. Stephens & Associates, Inc. / Vice President, 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

Thane Morgan
Laboratory Services Operations Manager

Sparks (Reno)

4960 Vista Boulevard, Suite 100
Sparks, NV 89436

(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

Tom Golden, PE
Senior Engineer / Austin Branch Manager

 

Lubbock (Daniel B. Stephens & Associates)

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

(806) 785-7280

Todd Seebaum, CAPM
Lubbock Branch Manager

Park City (Loughlin Water Associates)

3100 Pinebrook Road, Suite 1100
Park City, UT 84098

(435) 649-4005

Bill Loughlin, PG
Principal Hydrogeologist /Loughlin Water Associates

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