John Summa, Ph.D., is the founder and president of OptionsNerd.com LLC. He co-authored "Options on Futures: New Trading Strategies and Options on Futures Workbook" (2001). He is also the author of "Trading Against The Crowd: Profiting From Fear and Greed in Stock, Futures and Options Markets" (2004), which presents contrarian sentiment trading indicators and trading systems for stocks, futures and options. Founded in 1998, OptionsNerd.com provides professional training and educational support to stock, options and futures traders. Summa is an economist, author, options trader and former professional skier, and he presents small-group, online and in-person training seminars.