Former Nasdaq OMX CFO David Warren will continue to serve as special advisor to the CEO and Ronald Hassen, senior vice president, controller and principal accounting officer will continue to serve as CFO in the interim.

Shavel joins Nasdaq OMX from Bank of America Merrill Lynch where he served as Americas head of Financial Institutions Investment Banking.

Previously, he was head of finance, securities and technology and global chief operating officer for the Financial Institutions Group at Merrill Lynch.

Shavel joined Merrill Lynch in 1993 as an Associate, coming from Citicorp where he worked as an Associate in the Financial Institutions Group.