António Miguel Trigueiros is a Portuguese numismatist. He worked for the Portuguese Mint and was involved in the introduction of collector coins in Portugal.
Anna Auras is a German master goldsmith with her own jewellery label. In 2021 she designed the German 20 euro collector’s coin commemorating Annette von Droste-Hülshoff.
Gary Beals specialises in Spanish coins and crowns of the Americas. The qualified journalist has published extensively on his specialist field, including a numismatic dictionary.
Arthur Houghton is former President of the ANS and a numismatist specialized in the history and coinage of the Seleucid Empire. Currently he works as a novelist and writer. His books are often linked to the world of numismatics.
Helen Wang is a specialist in Asian coinage and Curator of East Asian Money at the British Museum in London. Moreover, Helen Wang translates Chinese literature.
Chen Haomin was an enthusiastic collector of Chinese gold and silver coins before founding his coin dealership Coin-in-Coin.
Juan Cayón Jr is Managing Director of the coin dealership Cayón Subastas in Madrid. In 2005 he took over the company from his father. Before dedicating himself completely to the coin trade, he worked as a corporate lawyer and expert in that field.
After completing law school, Michael Hardmeier discovered his passion for numismatics at SINCONA AG in Zurich. Ever since, he has been a member of the company’s managing board working across all lines of business.
Harvey Stack was born into the rare coin business and grew up in a family of coin dealers. He worked in the coin trade and as an auctioneer for over 70 years, building numerous important collections and advocating for the coin trade and collectors.
Jürg Richter is a numismatist and a specialist in all Swiss coins, banknotes and shooting medals. He founded SINCONA AG in Zurich in 2011 and has been managing it ever since.