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John Carr

Principal Conservator


Materials Conservation Co.


John Carr has been working in the field of architectural conservation since 1990. As the Principal Conservator of Materials Conservation Co., LLC, he is responsible for overseeing the management and strategic planning of the firm 's diverse spectrum of conservation projects as well as the marketing and promotion of the firm. Prior to founding Materials Conservation in 2006, John served as the Senior Architectural Conservator for John Milner Architects, Inc., as Executive Director of the Fairmount Park Historic Preservation Trust, and architectural conservator at Spencer Higgins Architect in Toronto. He serves on the Board of the Preservation Alliance for Greater Philadelphia, PennDesign, and the GSA Register of Peer Professionals. John is a Professional Associate with the American Institute for Conservation of Historic and Artistic Works (AIC).