Responding to Industry Shifts: PokerStars' Entry into America|Brian Mattingley, Non-executive Chairman,888 Holdings 00:10:00
Gregory N.Roberts is currently the Chief Executive Officer & Director at A-Mark Precious Metals, Inc. since 2005 and the Chairman, President & Chief Executive Officer at Spectrum Group International, Inc. since 2014.He is also a Member of the American Numismatic Association. Previously, he served as the President of Spectrum Numismatics International.
