Head of Community Development @ StockTwits. Evangelizing Social Communications for Investors, Traders, & Public Companies. Independent Trader. Former Chicago Board of Trade Member. Long Optimism. Hiking Enthusiast. Not in Chicago anymore.
NYMEX Board member & Exec 2000-2007, experienced in private investments, commodities trading, and global markets., Mr. Greenberg has appeared on numerous media outlets including CNN, Fox Business News, Bloomberg, and CNBC.
ETNA Software is a renowned custom financial software vendor for financial industry companies. The company's headquarters are in New York, with three R&D centers worldwide. We create stock, options, futures and other instrument trading software