Terry Rodrigue, PE, TE
President
Chief Executive Officer
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
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
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
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
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
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
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
Mike Kashiwagi, PE
Chief Operations Officer
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Debbie Thorson
Chief Financial Officer
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Christine Fitzgerald
Champion of Employee Success
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Ron Beehler, SE, CBO
Director
Building Safety Services
Bill Rodgers, SE
Plan Review Group Leader
Building Safety Services
Roger Peterson, SE
Regional Manager
Building Safety Services
Jay Elbettar, PE, CBO, LEED-AP, CASp
Regional Manager
Building Safety Services
Jim Ross
Group Leader
Public Works
Theron Roschen, PE
Group Leader
Municipal Services
Nicole Jules, PE
Director
Traffic Engineering Services
Paul Junker
Group Leader
Planning Services
Kent Jorgensen
Director
Real Estate Services
Mohammad Ahmed
Director
IT Services
Mark Dumford
Group Leader
GIS
Jeff Nelson, PE
Director
Water Policy & Planning
Rob Roscoe, PE, M.ASCE
Managing Director
Water Policy & Planning
Jacob Green
Managing Director
Emergency Management Organization and Leadership Development
Mike Oberlander
Senior Project Manager
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Pamela Yugar
Director
Interwest Community Foundation
Lisa Lyle
Controller
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Joe Dingman
Director of Strategy & Business Transformation
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Phil Carter
Director of Transition & Integration
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Bill Elizarraras
Southern California Operations Manager
Building Department Services // EsGil
David Kniff, AIA
Plans Examiner Manager
Building Department Services // EsGil