CNBC U.S. Contributors

Scott Nations

Scott Nations
President and Chief Investment Officer, NationsShares

Scott Nations is the President and Chief Investment Officer of NationsShares and a bestselling author.

NationsShares is the world's leading independent developer of option-enhanced and option-based indexes. Scott is the creator of VolDex® (ticker symbol: VOLI), an improved measure of option implied volatility; SkewDex® (ticker symbol: SDEX), a measure of option skew; and TailDex® (ticker symbol: TDEX), the first measure of the market's perception of tail risk. NASDAQ has licensed VolDex and intends to list VolDex futures in 2017 and VolDex options in 2018.

Scott is also the author of "A History of the United States in Five Crashes," a general interest history of the five modern stock market crashes (1907, 1929,1987, 2008 and the Flash of 2010). "A History of the United States in Five Crashes" was published by HarperCollins in June 2017. He is the author of "Options Math for Traders," published by Wiley & Sons in 2012 which was an best-seller on its release. He is also the author of "The Complete Book of Option Spreads and Combinations," published by Wiley & Sons in October 2014.

Prior to founding NationsShares, Scott was a member of the Chicago Mercantile Exchange and was a market maker and floor manager for a leading S&P index option trading firm. While there he was responsible for development and implementation of a proprietary option pricing model and deployment of the first wireless handheld computers to the trading floor.

Scott holds a B.S. from the University of Kansas and lives in Chicago, IL with his wife Wendi.