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Office Locations

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.

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    GLA HEADQUARTERS

    2777 East Guasti Road, Suite 1
    Ontario, CA 91761

    (909) 626‐2282

      Mike Reason, PG, CHG
    Southern California Operating Unit Manager

    ARIZONA

    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

    CALIFORNIA

    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

    COLORADO

    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

    MARYLAND

    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

    NEW MEXICO

    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

    NEVADA

    Sparks (Reno)

    56 Coney Island Drive
    Sparks, NV 89431

    (775) 284‐5500

    Robert Valceschini, PE
    Principal Engineer / Mining Services Manager

    OREGON

    Bend

    803 SW Industrial Way
    Bend, OR 97702

    (541) 678‐5733

    Aaron Ogorzalek, PE
    Project Engineer / Bend Branch Manager

    TEXAS

    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 50th 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

    WISCONSIN

    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

    LIMA, PERU

    P +511.500.6190 | US # 520.812.0229

    Veronica Rodriguez, PMP
    General Manager Latin America

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