Spectrum Group International Cultura de la Empresa

Mr. Gregory N. Roberts, also known as Greg, has been the Chief Executive Officer of A-Mark Precious Metals, Inc. since July 2005. Mr. Roberts has been the Chief Executive Officer and President of Spectrum Group International Inc. since March 6, 2008. He served as the Chief Executive Officer at Spectrum Wine Auctions, LLC. He served as President of Coin & Trading Division at Spectrum Group International Inc. He served as President of Spectrum Numismatics International Inc., from 1990 to March 2008, following 9 years with Hannes Tulving in Newport Beach CA. He served as President of A-Mark Precious Metals at Spectrum Group International Inc. until March 2008. Mr. Roberts has spent the last 24 years honing his skills to such an extent that he was able to successfully purchase such rare coins as the King of Siam proof set, the 1861 Pacquet Liberty Gold Coins-$1MM and the Eliasberg-Stickney 1804 Silver Dollar-$1.8MM. In 1998, he negotiated the purchase of what was at the time the largest transaction in the history of numismatics. He has been a Director of Spectrum Group International Inc., since February 2000; A-Mark Precious Metals, Inc. since July 2005 and Greg Manning Auctions Inc. since February 2000. Mr. Roberts is also a lifetime member of the Professional Numismatics Guild.

James Johnson serves as the Executive Vice President and Chief Operating Officer of Spectrum Group International. James started at Spectrum Group International in February of 2000. James currently resides in Washington D.C. Metro Area.

Paul Soth serves as the Chief Financial Officer of Spectrum Group International. Paul started at Spectrum Group International in April of 2010. Paul currently resides in Orange County, California Area.