Sean is a professional planner and landscape architect with over 25 years of experience in land use planning and urban revitalization. He started his career at the National Park Service working on preserving significant cultural, historical, and environmental landscape. His training and professional experience in historic preservation and conservation ranges from large-scale planning projects to evaluating and developing specifications for architectural materials. Over the duration of his career, Sean has specialized in focusing the planning, design, and construction of development and infrastructure projects in a manner that ensures that each project is context-sensitive to its environs. Much of his experience has focused on applying a refreshing view of urbanism principals to infill and brownfields industrial redevelopment projects with special emphasis industrial sites and heritage. He has worked on the creative adaptive reuse of abandoned large-scale industrial parcels, such as steel mills, manufacturing, and chemical production facilities in ways that support current economic development goals while honoring the values of the past through sensitive conservation of earlier building elements.

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Sean holds a Master of Landscape Architecture with a Certificate in Historic Preservation from the University of Pennsylvania; a Certificate in Urban Material Conservation Planning from the International Center for the Conservation of Cultural Property-ICCROM (Rome), an Educational Affiliate of the United Nations Educational Scientific and Cultural Organization (UNESCO); and a Bachelor of Science in Ornamental Horticulture and Environmental Design from Delaware Valley College. He is a member of the American Planning Association, the American Society of Landscape Architects, and the National Trust for Historic Preservation.

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Sean is a history buff and a fanatical railfan. He collects model trains and likes to operate full-size mainline steam locomotives, including piloting a tourist steam train over a 900-mile route throughout southern Poland. He collects antique German automobiles and is a third generation accomplished plantsmen.