or more than 30 years, he has specialized in commercial roofing system design, roofing specifications, waterproofing applications, repair planning, and roof management consulting. His experience includes inspections and condition surveys of existing roof systems, preparation of specifications for roof repair and replacement projects, and evaluation of roofing applications for compliance with contract requirements and accepted roofing practices. He has also provided expert testimony and arbitration services involving roofing disputes and roof system performance issues.

His technical background includes built-up roofing systems, single-ply membrane roofing, flashing systems, roof insulation, vapor retarders, roof deck evaluation, re-roofing projects, rooftop quality assurance, and diagnosis and repair of roofing failures. He has extensive experience evaluating roofing failures, developing repair strategies, and overseeing quality assurance for commercial roofing projects, with expertise in roofing technology, waterproofing systems, and industry standards.

In addition to consulting and inspection services, he has held leadership responsibilities within roofing and construction industry organizations and has contributed to technical publications and educational programs involving roofing technology and waterproofing systems. He is a Fellow of the Roof Consultants Institute (FRCI), a Certified Roof Consultant (CRC), and a Registered Roof Consultant (RRC). He has completed advanced professional training in roofing system design and technology, including roof decks, vapor retarders, insulation, roofing membranes, flashing, re-roofing, structural considerations, roof inspections, quality assurance, diagnosis and repair, and energy-efficient roof design. He also maintains active participation in ASTM roofing and waterproofing committees and has taught roofing technology to architects and engineers.