The Team

Medieval: A Group of Animals Hitched to the Same Vehicle
Modern: A Group of People Who Work Together
THEY GET WORK DONE

To view email and phone number click or tap picture of team member.

  • Hal Stober

    925-838-5675 ext: 2300

    hstober@ballconco.com

    Hal E. Stober President

  • (925) 838-5675 x2330

    dmitchell@ballconco.com

    David Mitchell Vice President – Operations

  • Kevin Johanson

    925-838-5675 ext: 2304

    kjohanson@ballconco.com

    Kevin Johanson Senior Estimator/Project Manager

  • (925) 678-0531

    dholmes@ballconco.com

    Doug Holmes General Superintendent

  • (925) 309-0092

    ldoherty@ballconco.com

    Lucas Doherty General Superintendent

  • 916-952-2510

    fvelasco@ballconco.com

    Fred Velasco Project Manager

  • Lance Concepcion

    925-838-5675 ext: 2303

    lconcepcion@ballconco.com

    Lance Concepcion Project Manager

  • Lane Grover

    925-838-5675 ext: 2313

    lgrover@ballconco.com

    Lane Grover Project Manager

  • 925 838-5675 x2317

    mpowers@ballconco.com

    Matt Powers Project Manager

  • (925) 838-5675 x2328

    abermudez@ballconco.com

    Abel Bermudez Project Engineer

  • (925) 856-7081

    jradcliff@ballconco.com

    Justin Radcliff Project Engineer

  • 925-838-5675 ext: 2313

    mturner@ballconco.com

    Matt Turner Project Engineer

  • (925) 838-5675 x2331

    syamamoto@ballconco.com

    Stuart Yamamoto Project Engineer

  • 925-838-5675 ext 2327

    dgray@ballconco.com.com

    David Gray Corporate Finance Manager

  • Mitch Gardner

    925-838-5675 ext: 2310

    mgardner@ballconco.com

    Mitchell F. Gardner, CPA Controller

  • Scott Hardy

    925-838-5675 ext: 2311

    shardy@ballconco.com

    Scott Hardy Safety Manager and Dispatch

  • (925) 838-5675 x2323

    adillahunty@ballconco.com

    Adonis Dillahunty Estimating Administration

  • 925 838-5675

    ggarcia@ballconco.com

    Georgina Garcia Receptionist & AP

  • (925) 838-5675 x2318

    lmedeiros@ballconco.com

    Laurie Medeiros Cost Accounting Specialist

  • (925) 838-5675 x2301

    mrouanzoin@ballconco.com

    Mary Rouanzoin Administration

  • Rosa May

    925-838-5675 ext: 2312

    rmay@ballconco.com

    Rosa May Cost Accountant

  • 925-838-5675 ext: 2301

    SSirna@ballconco.com

    Serina Sirna-Blach Estimating Administration

  • 925.383.0892

    bhagen@ballconco.com

    Brian Hagen Procurement & Field Support

  • Mike Olden

    925-383-0104 cell

    molden@ballconco.com

    Mike Olden Field Foreman

admingnbThe Team