Mark Salzberg is one of the world’s most skilled and respected numismatists, having worked in the coin and collectibles industries for nearly 40 years. He joined Numismatic Guaranty Corporation (NGC) in 1988 as a grading finalizer, a position he continues to hold. He has also served NGC in various executive capacities over the years, including as president (1991 to 1998), chief executive officer (1998-2002), and chairman (2002 to present).
Under Salzberg’s leadership, NGC became arguably the world’s largest third-party grading service, a status that it has maintained year-affter-year. NGC was the first major thirdparty grading service to grade most world and ancient coins, and it has expanded extensively around the world. NGC now operates offices in London, Munich, Hong Kong, and Shanghai in addition to its global headquarters in Sarasota, Florida. NGC has now certified more than 45 million coins, tokens, and medals. Salzberg also serves as chairman of the Certified Collectibles Group (CCG) and has successfully replicated NGC’s model of expert and impartial certification to other collectible categories. Companies established by CCG and Salzberg include: Paper Money Guaranty (PMG), the world’s largest third-party paper money grading service; Certified Guaranty Company (CGC), the world’s largest third-party grading service for comic books, magazines, concert posters, and related collectibles; Authenticated Stamp Guaranty (ASG), a leading third-party grading service for stamps; and, Collectibles Authentication Guaranty (CAG), a pioneering service that certify es the authenticity and provenance of major collections and estates.