William O’Brien is leaving BATS Global Markets. Immediately.
The exchange sent out a press release announcing that O’Brien has departed the company. Joe Ratterman, currently the chief executive officer, has reassumed the additional title of President of BATS Global Markets.
Ratterman previously held both the CEO and President roles from June 2007 through January 2014. He joined BATS in June 2005 as a founding employee.
In addition to Mr. Ratterman as chief executive and president, the remainder of the executive management team is unchanged with Chris Isaacson, executive vice president, global chief information officer; Tami Schademann, executive vice president, chief regulatory officer; Eric Swanson, executive vice president, general counsel; Mark Hemsley, chief executive of BATS Chi-X Europe; Brian Schell, executive vice president, chief financial officer; and Bryan Harkins, executive vice president, head of U.S. markets.
The full executive team will report directly to Mr. Ratterman.
