Economist, writer, & data scientist specializing in financial markets, monetary policy, commodity cash/spot and derivative markets, cryptocurrencies, game economies/virtual markets, and economic measurement.I spent two decades as a trader and analyst in global financial markets. My trading experience is in markets for equities, options, futures, FX, and crypto assets in a variety of roles. I have also designed aspects of virtual economies and marketplaces. I have been quoted in the Wall Street Journal, Bloomberg, Barron's, Fortune, Forbes, Grant’s Interest Rate Observer, Reuters World, MarketWatch, NBC News, NPR, National Review, The New York Post, Fox News, Crain's New York Business, and have appeared on the BBC, Bloomberg Television, CBS News, Crossfire, Tucker Carlson Tonight, and other television/cable programming. I regularly speak at conferences and colloquia.