GLA has grown to more than 250 engineers, water and soil scientists, architects, and support staff located in 27 offices in nine US states and Peru.

2777 East Guasti Road, Suite 1
Ontario, CA 91761

(909) 626‐2282

  Mike Reason, PG, CHG
Southern California Operating Unit Manager

Scottsdale (Phoenix)

15020 N. Hayden Road, Suite 205
Scottsdale, AZ 85260

(480) 634‐6150

Doug Junk
Senior Project Manager / Solid Waste Market Sector Leader

Scottsdale (Clear Creek Associates)

6155 E. Indian School Road, Suite 200
Scottsdale, AZ 85251

(480) 659-7131

Lori Bartlett
Vice President Projects / Principal Manager

Tucson (Clear Creek Associates)

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

(520) 622-3222

Greg Hess, RG
Senior Hydrologist / 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

Michael Yacyshyn, PE
Northern California Operational Unit Manager

Granite Bay (Sacramento)

4190 Douglas Boulevard, Suite 250
Granite Bay, CA 95746

(916) 771-7904

Michael Yacyshyn, PE
Northern California Operating Unit Manager

Morgan Hill (San Jose)

16055-D Caputo Drive
Morgan Hill, CA 95037

(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
Principal Geotechnical Engineer / Geotechnical Unit Manager

Oakland (Daniel B. Stephens & Associates, DBS&A)

1300 Clay Street, Suite 600
Oakland, CA 94612

(800) 933-3105

Stephen Cullen, PhD, PG
Principal Hydrogeologist / Oakland Branch Manager

San Bernardino

1831 Commercenter East
San Bernardino, CA 92408

(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

Sarah Battelle, PG, CHG
Vice President / 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, DBS&A)

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

(805) 683-2409

Stephen Cullen, PhD, PG
Principal Hydrogeologist / Santa Barbara Branch Manager

Lakewood (Denver)

13949 West Colfax Avenue, Suite 220
Lakewood, CO 80401

(303) 232-3310

Bryan Fritzler, PE
Denver Branch Manager

Durango (Daniel B. Stephens & Associates, DBS&A)

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, DBS&A)

43 Randolph Road, Suite 129
Silver Spring, MD 20904

(301) 755‐6270

Greg Schnaar, PhD
Senior Environmental Scientist / Legal Operations Unit Manager

Albuquerque (Daniel B. Stephens & Associates, DBS&A) Headquarters

6020 Academy Road NE, Suite 100
Albuquerque, NM 87109

(505) 822-9400

James Kelsey, PG
DBS&A President / GLA Senior Vice President / Operations Unit Manager

 

Albuquerque, (Daniel B. Stephens & Associates, DBS&A) 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

(480) 365‐0327

Robert Valceschini, PE
Principal Engineer / Mining Services Manager

Bend

803 SW Industrial Way
Bend, OR 97702

(541) 678‐5733

Aaron Ogorzalek, PE
Project Engineer / Bend Branch Manager

Austin (Daniel B. Stephens & Associates, DBS&A)

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, DBS&A)

4611 50^th Street
Lubbock, Texas 79414

(806) 785-7280

Todd Seebaum, CAPM
Lubbock Branch Manager

 

Midland (Daniel B. Stephens & Associates, DBS&A)

5201 North Pecos St., Suite 110
Midland, Texas 79705

(432) 305-1960

Michael A. Jacobs, PG
Midland Branch Manager

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

P +511.500.6190 | US # 520.812.0229

Veronica Rodriguez, PMP
General Manager Latin America