Mary O’Neill is an appraiser and member of the American Society of Appraisers, which is the oldest appraisal organization in the country and the most stringent—in terms of ethical and education requirements. Her approach, in appraisal work and all aspects of art consulting, is collaborative, educational, and confidential. She helps individual and corporate clients.

Mary has an M.A. in Art History from the Savannah College of Art and Design. She completed the Rhode Island School of Design’s program in Appraisal Studies in Art + Antiques. She writes and lectures on many aspects of art history.