Gloria Lieberman is Vice President of Bonhams Skinner and one of the world's renowned experts on antique jewelry. She founded Bonhams Skinner's Fine Jewelry department in 1980 and served as Director for 31 years. Her skillful marketing and management of the department resulted in the achievement of international world record prices for estate and heirloom jewelry, gaining valuable recognition for Bonhams Skinner. Gloria is also a leading auctioneer and appraiser, and responsible for a wide range of marketing activities throughout the country.

A frequent lecturer, Gloria has participated in many educational seminars including the University of Maine's Antique Jewelry Seminar and New York University's Jewelry Appraisers Conference in Tucson, Arizona, and has been invited to speak on behalf of the Society of Jewelry Historians at the Fashion Institute of Technology in New York City. In addition, she has discussed artist-designed jewelry before the New York University Jewelry Studies Program and the New York State Appraisers Association. Locally, Gloria has lectured for the Boston Center for Adult Education, the Cambridge Center for Adult Education, Harvard University's Extension Program, Brandeis University, the Society for the Preservation of New England Antiquities, the Isabella Stewart Gardner Museum, and the Rhode Island School of Design's (RISD) Decorative Arts program. Gloria also regularly serves on the vetting committee for the Palm Beach Antiques Show.

Gloria's television appearances include the BBC's The Great Antiques Hunt, the PBS series Antiques Roadshow, and the Boston-based series Chronicle. She has interviewed with The New York Times, The Wall Street Journal, The Boston Globe, Yankee Magazine, Maine Antique Digest, and other art and antique publications.