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John Mulvaney is currently the Head of Trading Strategy, as well as the Head of Interest Rates and STIR Trading at XR Trading LLC since April 2005. Prior to that, John worked as a Trader at Singer & Levinson Global Trading LLC from 2004 to 2005. John holds an MBA from DePaul University (2003-2006) and a Bachelor of Arts degree from the University of Colorado Boulder (1998-2001).