Our Management Team
David J. Arpin, P.E. Principal / Project Manager Mr. Arpin has over 9 years of experience on a variety of geotechnical, marine / waterfront, civil, dam, structural, and environmental engineering projects. His design experience includes analysis and design of dams, retaining walls, support of excavation systems, pile-supported foundations, seawalls and bulkheads, and dewatering systems.
Gregory J. Coren, P.E. Principal / Project Manager Mr. Coren is responsible for preparing project reports, managing project documentation, creating and editing Computer-Aided-Design drawings, performing project calculations, data analysis and review, and interacting with clients. He has also been intimately involved with updating and helping to execute RTG’s marketing plan, co-wrote and implemented its Employee Health and Safety Program, and serves as the firm's Contract Manager.
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RTG has an engineering staff that is professionally registered in Rhode Island, Connecticut, Massachusetts, Pennsylvania, Illinois, Ohio, Indiana, Wisconsin, New York, Louisiana and Vermont.