Mark Sebastian is former member of both the Chicago Board Options Exchange and the American Stock Exchange. He is the chief operating officer of Option Pit Mentoring and Consulting, a Chicago-based option education firm. Mr. Sebastian has been published nationally on Yahoo Finance, quoted in the Wall Street Journal, Reuters, and Bloomberg and is an "all-star contributor" for TheStreet.com's Option Profits Team. He is also the managing editor for Expiring Monthly: The Option Traders Journal, an all-digital, all-options magazine. Mr. Sebastian has spoken for the CBOE, the ISE, CME, VOLX, and is a co-host on the popular "Option Block" podcast and the "Volatility Views" podcast.