Ronald Kotler is a specialist in American and European Art of the 19th and early 20th century with a strong interest in Belle Époque Jewelry by the most prestigious makers of the period: Tiffany, Cartier, Van Cleef & Arpels, David Webb, Buccellati, Oscar Heyman, and others. Establishing himself as an independent art dealer in 1995, he later developed what was to become Kotler Galleries & Auctioneers, one of the premier acquisition-based galleries in Long Island, New York. The gallery since its inception has acquired and leveraged artworks and objects of vertu valued at more than $15,000,000 USD.