Staff

Working directly with the public and key stakeholders is essential to the success of the SJCOG. We love to hear from you on how to better San Joaquin's transportation network and infrastructure. If you have any questions regarding what we do, feel free to call on us.

Orgchart_March_2023

 View our Organizational Structure (full screen)


  1. Diane_Nguyen 2023_Final version-edited

    Diane Nguyen

    Executive Director

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    Steve Dial

    Deputy Executive Director/Chief Financial Officer

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    Kim Anderson

    Deputy Director of Planning

  1. image for Ryan Niblock

    Ryan Niblock

    Deputy Director of Programming and Project Delivery

  1. Ty Phimmasone

    Senior Regional Planner

  1. Joel Campos

    Joel Campos

    Associate Regional Planner

  1. Jay Helva

    Jay Halva

    Assistant Programming Analyst

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    Isaiah Anderson

    Associate Regional Planner

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    Joyce Yee

    Assistant Regional Planner

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    Rofannie Chan

    CivicSpark Fellow

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    Christine Corrales

    Senior Regional Planner

  1. Christine Tran-NEW

    Christine Tran

    Assistant Regional Planner

  1. Angela Carranza

    Angela Carranza

    CivicSpark Fellow

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    Yvette Davis

    Communications Manager

  1. Keith Michaud

    Keith Michaud

    Communications Journalist

  1. Danielle Lagorio

    Danielle Lagorio

    Assistant Program Specialist

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    Melissa Ablang

    Administrative Technician

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    Rosie Gutierrez

    Office Administrator

  1. Sara Hersom

    Sarah Hersom

    Administrative Technician

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    Katy Castro

    Administrative Technician

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    Grace Orosco

    Manager of Finance

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    Lynnetta Castle

    Senior Accountant

  1. photo of Greg Solario

    Gregory Solario

    Junior Accountant

  1. Daljit Saini

    Accounting Assistant II

  1. Rosie Zeiter

    Rosie Zeiter

    Accounting Assistant I

  1. Gabriela Zamora

    Gabby Zamora

    Administrative Technician

  1. Ariana Talosig

    Ariana Talosig

    Administrative Technician

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    Steve Mayo

    Program Manager

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    Laurel Boyd

    Associate Habitat Planner

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    Vikram Sharma

    Information Technology Manager