Org Chart - Emissions Compliance, Automotive Regulations and Science Division

This page last reviewed April 16, 2015


Emissions Compliance, Automotive Regulations and Science Division Mission Statement:

The Emissions Compliance, Automotive Regulations and Science (ECARS) Division is responsible for developing and implementing statewide programs to advance vehicular technologies and infrastructure and reduce emissions of greenhouse gas, smog forming, and toxic air pollutants from vehicles. ECARS also implements all mobile source programs through the certification and evaluation of compliance with emission standards for passenger cars, motorcycles, trucks, buses, heavy duty construction equipment, recreational vehicles, marine vessels, lawn and garden equipment, and small utility engines. To find out more, click on the following link to enter the division's page.


Emissions Compliance, Automotive Regulations and Science Division Organizational Chart (PDF)

Annette Hebert, Division Chief

  • Telephone: (626) 450-6150
  • Mailing Address:
    California Air Resources Board
    Emissions Compliance, Automotive Regulations and Science Division (ECARS)
    9480 Telstar Avenue, Ste. #4
    El Monte, CA 91731
  • Street Address:
    9500 Telstar Avenue
    El Monte, CA 91731

Mark Fuentes, Assistant Division Chief

      • Telephone: (626) 575-6815
        • Mailing Address:
          Same as above

Analisa Bevan, Assistant Division Chief

      • Telephone: (916) 323-8966
        • Mailing Address:
          California Air Resources Board
          P.O. Box 2815
          Sacramento, CA 95812

Laurie Lowry, Division Coordinator
  • Telephone: (626) 459-4415
Evelyn Gonzales, Division Coordinator
  • Telephone: (626) 575-6789
Karen Woo, Executive Secretary
  • Telephone: (626) 450-6156

Vehicle and Engine Testing Branch


Thomas Valencia, Branch Chief
  • Telephone: (626) 575-6772
  • Mailing Address:
    California Air Resources Board
    Emissions Compliance, Automotive Regulations and Science Division (ECARS)
    9480 Telstar Avenue, Ste.#4
    El Monte, CA 91731
  • Street Address:
    9528 Telstar Avenue
    El Monte, CA 91731

Gary Mikailian, Manager, Laboratory Logistics & Test Support Section

  • Telephone: (626) 350-6484
  • Mailing Address: Same as above

Alfredo Ortiz, Manager, Testing Support Unit

  • Telephone: (626) 450-6112
  • Mailing Address: Same as above

Linda Davis, Manager, Project Support Unit

  • Telephone: (626) 575-6823
  • Mailing Address: Same as above

Thu Vo, Manager, Vehicle Emissions Testing Section

  • Telephone: (626) 575-6846
  • Mailing Address: Same as above

Mang Zhang, Manager, Specialty Vehicle & Engine Testing Section

  • Telephone: (626) 450-6166
  • Mailing Address: Same as above

Vacant, Manager, Engineering Testing & Facility Support Section

  • Telephone: (626)
  • Mailing Address: Same as above

New Vehicle/Engine Programs Branch


Jackie Lourenco, Branch Chief

  • Telephone: (626) 450-6152
    California Air Resources Board
    Emissions Compliance, Automotive Regulations, and Science Division
    9480 Telstar Avenue, Ste. #4
    El Monte, CA 91731
  • Street Address:
    9500 Telstar Avenue
    El Monte, CA 91731

Duc Nguyen, Manager, On-Road Light-Duty Certification Section

  • Telephone: (626) 575-6844
  • Mailing Address: Same as above

Kimberly Pryor, Manager, Compression Ignition & Heavy Duty Certification Section

  • Telephone: (626) 575-6640
  • Mailing Address: Same as above

Antonio Martino, Manager, Aftermarket Parts Section

  • Telephone: (626) 575-6848
  • Mailing Address: Same as above

Kumar Muthukumar, Manager, Off-Road-Spark-Ignited Engine Certification Section

  • Telephone: (626) 575-7040
  • Mailing Address: Same as above

In-Use Vehicle Programs Branch


Sharon Lemieux, Branch Chief
  • Telephone: (626) 575-7067
  • Mailing Address:
    California Air Resources Board
    Emissions Compliance, Automotive Regulations and Science Division
    9480 Telstar Ave, Ste. #4
    El Monte, CA 91731
  • Street Address:
    9480 Telstar Ave
    El Monte, CA 91731

Jeffrey Wong, Manager, Field Operations Warranty Section

  • Telephone: (626) 575-7009
  • Mailing Address: Same as above

Shawn Daley, Manager, Retrofit Assessment Section

  • Telephone: (626) 575-6972
  • Mailing Address: Same as above

Michael O'Connor, Manager, Evaporative Emissions Testing Section

  • Telephone: (626) 575-6814
  • Mailing Address: Same as above

Vacant, Manager, In-Use Compliance Section

  • Telephone: (626) 575-6741
  • Mailing Address: Same as above

Keith Macias, Manager, In-Use Compliance and Evaluation Section

  • Telephone: (626) 575-6600
  • Mailing Address: Same as above

Chemical Analysis & Emissions Research Branch


Paul Rieger, Branch Chief
  • Telephone: (626) 575-6876
  • Mailing Address:
    California Air Resources Board
    Emissions Compliance, Automotive Regulations & Science Division
    9480 Telstar Avenue, Ste. #4
    El Monte, CA 91731
  • Street Address:
    9500 Telstar Avenue
    El Monte, CA 91731

Oliver Chang, Manager, Aerosol Analysis and Methods Evaluation Section

  • Telephone: (626) 459-4421
  • Mailing Address: Same as above

Richard Ling, Manager, Organic Analysis Section

  • Telephone: (626) 575-6898
  • Mailing Address: Same as above

Yanbo Pang, Manager, Fuel Analysis and Methods Evaluation Section

  • Telephone: (626) 575-6692
  • Mailing Address: Same as above

Sustainable Transportation Technology Branch


Vacant, Branch Chief
  • Telephone: (916)
  • Mailing Address:
    California Air Resources Board
    Emissions Compliance, Automotive Regulations and Science Division
    P.O. Box 2815
    Sacramento, CA 95812
  • Street Address:
    1001 I Street
    Sacramento, CA 95814

Elise Keddie, Manager, ZEV Implementation Section

    • Telephone: (916) 323-8974

Gerhard Achtelik, Manager, ZEV Infrastructure Section

    • Telephone: (916) 323-8973

On Board Diagnostics Branch


Michael Regenfuss, Branch Chief
  • Telephone: (626) 575-7004
  • Mailing Address:
    California Air Resources Board
    Emissions Compliance, Automotive Reguilations and Science Division
    9480 Telstar Ave, Ste. #4
    El Monte, CA 91731
  • Street Address:
    9500 Telstar Ave.
    El Monte, CA 91731

John Ellis, Manager, Gasoline On-Board Diagnostics Section

  • Telephone: (626) 350-6516
  • Mailing Address: Same as above

Leela Rao, Manager, On-Board Diagnostics Program Development Section

  • Telephone: (626) 350-6469
  • Mailing Address: Same as above

Thomas Montes, Manager, Diesel On-Board Diagnostics Section

  • Telephone: (626) 575-6777
  • Mailing Address: Same as above

Laboratory Data Support Branch


Robert Gammariello, Branch Chief

  • Telephone: (626) 450-6138
  • Mailing Address:
    California Air Resources Board
    Emissions Compliance, Automotive Regulations and Science Division
    9480 Telstar Avenue, Ste #4
    El Monte, CA 91731
  • Street Address:
    9500 Telstar Avenue
    El Monte, CA 91731

Steven Dang, Manger, Laboratory Testing Support Section

  • Telephone: (626) 575-6607
  • Mailing Address: Same as above

Dilip Patel, Manager, Data Development Services Section

  • Telephone: (626) 450-6141
  • Mailing Address: Same as above

Alvaro Gutierrez, Manager, Emission Laboratory Quality Assurance Section

  • Telephone: (626) 350-6549
  • Mailing Address: Same as above

ARB Organizational Charts

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