Nan Summerfield joined Doyle New York as Director of the California office in Beverly Hills in 2014. Ms. Summerfield, a GIA Graduate Gemologist, has been in the appraisal and auction business for thirty-eight years.
Nan began her career at the Gemological Institute of America in New York as a Staff Gemologist in the GIA Laboratory and later as an Instructor in the Education Division, before spending thirteen years as a Vice President in the Jewelry Department at Sotheby’s, first in New York, then in Los Angeles. Nan continued to develop and direct Sotheby’s jewelry auctions in Beverly Hills for eight years. For twenty years before joining Doyle, she owned Summerfield’s, a successful firm in Beverly Hills that specialized in buying and selling estate jewelry.