top of page

The Team
Behind the Work

Delivering structure, oversight, and accountability

across every phase of your project.

TDCS HERO Website images (6).png

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.

Matt Profile Picture (1)_edited.jpg

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

TDCS HERO Website images (7).png

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?

Triangle Logo jpg.jpg

25422 Adriana St. Mission Viejo, CA 92691

310-739-1198

  • Linkedin
bottom of page