The NGC Coin Grading Team
NGC's team of more than 30 full time professional coin graders are led by some of the most experienced and trusted experts in the world. Learn more about the senior members of NGC's grading team below.
Mark Salzberg, Chairman and Finalizer
One of the world's most respected numismatists, Mark Salzberg has been working in the industry for over thirty years and joined NGC in 1988. Named ANA's Numismatist of the Year in 2006, he is a Life Member of the ANA, received the ANA's Presidential Award in 1998 and is also a member of the Professional Numismatist Guild (PNG). Mark helped create the US Mint's H.I.P. Pocket Change Program, designed to educate and spark youth interest in collecting. Career highlights include grading some of the world's most high profile coins, and sponsoring the Smithsonian Institution Legendary Coins & Currency exhibit with endowment and conservation of some of the country's most treasured artifacts. He is widely credited for his central role in standardizing and promoting the use of today's highly precise coin grading scale, an essential component of the coin industry's development. Mark has also published numerous articles and continues to be one of the leaders in the area of numismatics.
Rick Montgomery, President and Finalizer
Many industry peers consider Rick Montgomery to be the coin industry’s greatest authenticator. Prior to joining NGC in 2002, Rick served as President of PCGS. A veteran numismatist and key figure in the field, Montgomery co-authored the NGC Grading Guide for Modern US Coins and contributed to the PCGS grading and counterfeit detection guide. He has also written numerous articles for the American Numismatic Association. Rick received the PNG’s Art Kagin Ambassador Award in 2014. Career highlights include grading the great rarities, famed coins such as 1804 Dollars, Ultra High Reliefs, and 1913 Liberty Nickels. He is also highly knowledgeable in and an active collector of ancient coins.
Scott Schechter, Chief Numismatist and Finalizer
Scott Schechter’s first formal job in numismatics was in 1994 as an intern at the Smithsonian Institution, working with the National Numismatic Collection. After graduating from Harvard with a degree in history of science, he became a dealer in US coins for Pinnacle Rarities. In 2005, he joined Numismatic Guaranty Corporation, where he is now Chief Numismatist and Grading Finalizer. At NGC he has also worked on the development of the NGC Registry and online collection-management tools. Scott has lectured for the Professional Numismatists Guild and spoken about coin certification at many conventions in the United States and abroad, including the Beijing International Coin Expo in China and the World Money Fair in Germany. He is a co-author of 100 Greatest US Modern Coins, published in 2010.
David J. Camire, NCS President and NGC Finalizer
David J. Camire is considered an authority on mint errors and modern minting technology and production. A key benefit of knowing the minting process is the ability to distinguish mint defects from damaged coins and establish a coin's authenticity. In addition to his expertise in coin manufacturing, David also specializes in modern Chinese coins. Before joining NCS, David was a numismatist with one of the largest coin companies where he worked with many of the industry's foremost authorities. In 1999, he joined NGC, which allowed him to hone his knowledge of all the nuances of grading and interact with the top graders in the industry. David has consulted for government agencies, US and world mints in the field of numismatics. He has also co-authored 100 Greatest U.S. Error Coins and has contributed to such numismatic publications as Coin World, COINage, Numismatic News, The Numismatist and the Red Book. David is an active volunteer at the Smithsonian Institution's Museum of American History in helping to preserve the National Numismatic Collection.
David Vagi, NGC Ancients Director and Finalizer
A lifelong numismatist, David Vagi has been studying ancient Greek and Roman coins since 1985. He entered the field as a staff writer for Coin World and later worked as a numismatist for the auction houses Christie’s, Superior Stamp and Coin, Spink America and R.M. Smythe before opening Delphi International Ancient Arts. For more than twenty years he has penned a column every month for a major numismatic publication, including Coin World, The Celator, Numismatic News, World Coin News and The Numismatist. His 1,294-page Coinage and History of the Roman Empire received ‘book of the year’ awards from the IAPN, PNG and NLG. He is a life member and Fellow of the ANS, and a life member of the ANA, for which he has taught more than fifteen weeklong courses on ancient coinage.
Ben Wengel, Senior Finalizer of World Coins
Ben Wengel's interest in coins began early. By age 16, he had attended the ANA Summer Seminar and completed a six-week summer internship at NGC. After graduation from the University of Tampa, Ben joined NGC on a full-time basis and has now graded coins for NGC for more than a decade. In 2020, he became Senior Finalizer of World Coins. Based at NGC's headquarters, Ben has also graded at NGC on-site in the United States, Germany and China. His collecting interests include silver and gold coins from South and Central America.
Michael Corley, Finalizer
Michael Corley started his numismatic career at a Sarasota coin shop in 1996. He joined NGC in 2001 as a US modern coin grader and eventually transitioned to world coins. A specialist in Chinese coins, Michael was involved in NGC’s expansion in China and currently works at the company’s offices in Asia. Michael is a collector of ancient coins and has a music degree from San Francisco State University and Bristol University, England.
David W. Lange, Research Director
A coin enthusiast for more than 50 years, David W. Lange is the author of 10 books on United States numismatics. His writing has received numerous accolades from both the American Numismatic Association and the Numismatic Literary Guild, including the latter's prestigious Clemy Award. His latest book is a history of Whitman Publishing Company’s Coin Supply Division and a catalog of its lines of folders and albums. In 2009, Lange received the ANA’s Lifetime Achievement Award and in 2017 he was named its Numismatist of the Year. Lange’s specialized areas of study have included Seated Liberty silver, Philippine coinage under US administration and British coinage from 1816-1970. His career highlights include launching NGC’s Photo Proof and VarietyPlus Services.
Kenneth C. Krah, NGC Finalizer Emeritus
Since an early childhood trip to a coin shop with his grandfather, Krah has been hooked on coins. Before coming to NGC, Krah owned his own coin business in Portsmouth, New Hampshire. A professional numismatist since 1979 and an ANA Life Member, Krah has also taught Advanced US Coin Grading for the ANA and written several articles on English coins. Ken served as Vice President and oversaw the world coin grading program. Ken is one of the leading experts on world coinage. Career highlights include grading a complete collection of US minor proof sets from 1856-1915, as well as the Wells Fargo Gold Hoard and the Damon, Eliasberg and Millennia collections.