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Peter J. Pappas
President & CEO
Peter J. Pappas
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John Reilly
Executive Vice President
Brian Liebowitz
EVP, Delta Sheet Metal
Bill Tschinkel
VP & Director, Technical Services
Sylvia Ohanessian
VP & Director, Purchasing
Tom Rukaj
VP & Director, Service & Maintenance
Arnold Valera
VP & Senior Account Executive, Business Development
Marino Matulina
Director, Operations, Expert Insulation
Bernadette Daley
Senior Administrator, Project Management
Sean Negron
Chief Technology Officer
