
The Team
Behind the Work
Delivering structure, oversight, and accountability
across every phase of your project.

The Professionals Behind Every Project
Our team brings decades of combined experience in program management, design coordination, construction management, and owner representation. We partner with public agencies, school districts, municipalities, and colleges to deliver successful projects that serve communities for generations.
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Founder & President
Matt Pirayeh
Matt Pirayeh is the founding principal of Triangle DeCon Services and a licensed California Professional Engineer and General Contractor with more than 25 years of experience leading complex public and private-sector construction programs. Throughout his career, he has directed hundreds of millions of dollars in capital improvement projects for agencies including LAUSD and North Orange County Community College District, overseeing everything from occupied-campus modernizations and infrastructure upgrades to large-scale design-build developments. Known for his hands-on leadership style, Matt brings deep expertise in project controls, design management, procurement, and stakeholder coordination, helping clients successfully navigate complex projects from planning through closeout.
Our Team
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Why Agencies Trust Triangle
Decades of expertise in public-sector capital programs and active environments.
Experienced Professionals
Collaborative Delivery
Accountable Oversight
Working as an extension of agency teams to solve challenges and maintain momentum.
Clear communication, disciplined coordination, and ownership of outcomes.
Ready to Discuss Your Project?

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