Who We Are

What started as a small company offering engineering services in California is now a consulting firm that specializes in a variety of municipal services across the West.

As Interwest continues to grow, we remain committed to supporting and developing our 480 employees, building authentic relationships with our clients, and maintaining a culture of community.

How We’ve Grown

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  • Interwest is born

    Interwest is born

    In 2002, Terry Rodrigue founded Interwest Consulting Group to offer engineering services to public agencies—starting with our first office in Elk Grove, California, right across the street from City Hall. We also opened an office in Windsor, Colorado, this year..READ MORE

  • GIS, Real Estate, and IT Services

    GIS, Real Estate, and IT Services

    In January 2004, we began to offer Geographic Information Systems services to our clients. Shortly after, we added Real Estate and Information Technology services to our portfolio for the City of Elk Grove. Both service lines have expanded over the..READ MORE

  • 100 employees, Building Safety services, and office openings

    With steady organic growth and through word of mouth, we reached our 100-employee milestone in 2006. Starting with 81 employees at the end of 2005, we grew to 143 employees by the end of the following year. The size of..READ MORE

  • Nevada office opening

    We opened our first Nevada office in Las Vegas in 2007 while working on the Las Vegas Strip’s CityCenter for Clark County. See where else we are located today in the Get in Touch page.

  • 100 clients served

    In 2010, we reached the 100-client milestone. The number of clients we’ve served has grown to more than 350 today.

  • NAFFA International and Vernon Brown join Interwest

    NAFFA International and Vernon Brown join Interwest

    In 2012, we acquired NAFFA International, a Building Safety firm in the Central Valley area of California. With NAFFA International, we gained four new team members, expanded our presence into the Fresno area, and began to provide Plan Check and..READ MORE

  • 250 employees

    We reached the 250-employee milestone in 2015. We ended the year prior with 229 employees, and we nearly doubled the size of our family five years later.

  • Ontario office opening

    We opened our office in Ontario, California, in 2016 to serve new clients in the Inland Empire region. See where else we are located today in the Get in Touch page.

  • Tri-Lake Consultants joins Interwest

    Tri-Lake Consultants joins Interwest

    In April 2018, we acquired Tri-Lake Consultants, a Public Works and Engineering firm established and respected in the Inland Empire for over 30 years. We welcomed 17 talented employees and three new clients: the City of Perris, City of San..READ MORE

  • CPSI joins Interwest + New Services

    CPSI joins Interwest + New Services

    Our 2019 acquisition of CPSI, a Southern California Real Estate firm, added 17 top-notch professionals to our team, doubling the size and capacity of our Real Estate division. Its locations in Orange County, Long Beach, and Modesto also expanded our..READ MORE

  • EsGil, BroadSpec, and Kutzmann join Interwest

    Interwest, BroadSpec, Kutzmann & Associates, and EsGil

    In 2020, we merged with SAFEbuilt, a nationwide Community Services Development company. Through this merger, we were able to welcome EsGil, BroadSpec, and Kutzmann & Associates into our family of companies. These companies have done amazing things for our communities..READ MORE

Meet Our Leadership Team

Terry Rodrigue

Terry Rodrigue, PE, TE

President
Chief Executive Officer

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Mike Kashiwagi, PE

Chief Operations Officer

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Debbie Thorson

Debbie Thorson

Chief Financial Officer

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Christine Fitzgerald

Christine Fitzgerald

Champion of Employee Success

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Ron Beehler, SE, CBO

Director
Building Safety Services

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Bill Rodgers, SE

Plan Review Group Leader
Building Safety Services

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Roger Peterson, SE

Regional Manager
Building Safety Services

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Jay Elbettar, PE, CBO, LEED-AP, CASp

Regional Manager
Building Safety Services

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Theron Roschen, PE

Group Leader
Municipal Services

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Nicole Jules, PE

Director
Traffic Engineering Services

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Paul Junker

Group Leader
Planning Services

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Kent Jorgensen

Director
Real Estate Services

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Mohammad Ahmed

Director
IT Services

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Jeff Nelson, PE

Director
Water Policy & Planning

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Rob Roscoe, PE, M.ASCE

Managing Director
Water Policy & Planning

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Jacob Green

Managing Director
Emergency Management Organization and Leadership Development

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Mike Oberlander

Mike Oberlander

Senior Project Manager

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Pamela Yugar

Pamela Yugar

Director
Interwest Community Foundation

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Phil Carter

Director of Transition & Integration

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Bill Elizarraras

Southern California Operations Manager
Building Department Services // EsGil

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David Kniff, AIA

Plans Examiner Manager
Building Department Services // EsGil

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