People

Gregory Grabowski

Founder & CEO

Paul LoNigro

EVP – Facilitated Services

Ali Khalaf

Director, Program and Project Management

Gregory Grabowski

Mr. Grabowski is an architectural, engineering, construction, and operational executive leading design, construction, construction management, and claims avoidance teams, bringing owners and technical teams together

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Paul LoNigro

Paul brings 30+ years of technical, operational, and business leadership experience to GCC. He is responsible for the Partnering & Facilitation line of business at

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Ali Khalaf

Ali brings over 44 years of project and operational leadership experience to planning and program management, bringing owners, architect-engineer teams, and constructors together to build

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