Ed Tilly | Chairman and CEO |
Brian Schell | EVP, Treasurer and CFO |
Chris Concannon | President and COO |
John Deters | Chief Strategy Officer |
Debbie Koopman | VP, IR |
Richard Repetto | Sandler O'Neill |
Sameer Murukutla | Bank of America Merrill Lynch |
Ken Worthington | JPMorgan |
Alex Kramm | UBS |
Alex Blostein | Goldman Sachs |
Brian Bedell | Deutsche Bank |
Ben Herbert | Citi |
Chris Harris | Wells Fargo |
Chris Allen | Rosenblatt Securities |
Kyle Voigt | KBW |
Good morning and welcome to the Cboe 2017 Fourth Quarter Financial Results Conference Call. [Operator Instructions]. Please note, this event is being recorded. I'd now would like to turn over the call over to Debbie Koopman. Ms.