Jonathan Snellenburg studied history and geology at Dartmouth College and received a Ph.D. in Geochemistry from the State University of New York at Stony Brook. This led to a post-doctoral fellowship at the American Museum of Natural History, New York, and later, a position as staff gemologist for the Gemological Institute of America. He then joined Christie’s New York, as head of the Jewelry and Silver Departments at their gallery, Christie’s East. By the time he left Christie’s, as a Senior Vice President and Head of the Watch and Clock Department, he had organized sales in a variety of fields including watches, clocks, jewelry, silver, and scientific instruments.
For many years, he conducted his own business as dealer, consultant and appraiser, as well as serving as a Vice-President of the National Antique & Art Dealers Association of America. He returned to the salesrooms, joining Bonhams New York as Director of Watches and Clocks in 2009. A Freeman of the Worshipful Company of Clockmakers in London, he is also a member of the Antiquarian Horological Society and the NAWCC.
Since 1996 Dr. Snellenburg has appeared as an appraiser in the PBS television series The Antiques Roadshow. He contributed the chapter on 17th and 18th century enamel watches for the Catalogue of European Decorative Arts at the Taft Museum, Cincinnati, and catalogued the Proctor Collection of Watches at the Munson Williams Proctor Art Institute, Utica, New York.
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