David Greenberg, Chair of ZiyenCoin and President of Greenberg Capital, fmr Executive Board and Board Member of the New York Mercantile Exchange (NYMEX) – oversaw a decade of its largest growth from $800 million to $12 billion is interviewed by David Cogan founder of Eliances and host of the Eliances Heroes show broadcast on am and fm network channels, internet radio, and online syndication.