Lark Mason is a renowned expert in Chinese art and antiquities. He is also an author, appraiser, independent curator, educator, and art consultant. He has regularly appeared since 1996 on the PBS series, Antiques Roadshow, where he specializes in Asian works of art.

He worked with Sotheby's, New York, from 1979-2003, where he was an appraiser, Senior Vice President in the Chinese Works of Art Department, and Director of Online Auctions. At Sotheby's, he evaluated collections including those of The National Trust for Historic Preservation, The Duke and Duchess of Windsor, Jacqueline Kennedy Onassis, and many others.

In 2003, he left Sotheby's to start, an international art auction company with regional associates in most major metropolitan areas of the United States, and in Europe and Asia.

He is an Adjunct Professor at New York University and he is regularly involved with the valuation and identification of Asian and other works of art.