Mark Rabinowitz is an accom- plished conservator, author, lecturer, and sculptor with over 30 years of experience assessing and treating architectur- al art, monuments, and historic structures. He specializes in the conservation of a broad range of materials and objects. Mark was Chief of Operations for Preservation at the Central Park Conservancy and then Chief Consulting Conser- vator for the New York City Parks Department, where he initiated programs to treat monuments and train graduate students.