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Firm Principals

Patricia Preston

Patricia Preston, P.E.

Patricia Preston has over 23 years of engineering experience, specifically in the area of transportation related structure design. I have participated in every aspect of project delivery from the planning stage, to the design phase, construction support, inspection, and just recently as a member of a community advisory committee. Principally, I have led or been part of a design team for delivering bridge projects. As a former Caltrans engineer, I have a thorough understanding of Caltrans’ organizational structure, its processes and procedures.

John Stitt

John Stitt, P.E.

John Stitt has over 30 years of civil engineering experience in the design of roadways, railroads, residential and commercial land development projects. He combines his civil engineering design skills with structural engineering for a complete project solution. He has extensive design experience in roadways, railroad transportation projects in the US and throughout the World. He is a utility expert with a world of experience, but practices locally to meet your specific needs.

Daniel Okoro

Daniel Okoro, P.E.

John Stitt has over 30 years of civil engineering experience in the design of roadways, railroads, residential and commercial land development projects. He combines his civil engineering design skills with structural engineering for a complete project solution. He has extensive design experience in roadways, railroad transportation projects in the US and throughout the World. He is a utility expert with a world of experience, but practices locally to meet your specific needs.

APEX Civil Engineering

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