Benjamin Blander has extensive experience in quantitative analysis and trading, currently serving as a Quantitative Member at Radix Trading LLC since November 2012. Prior to this role, Benjamin held the position of QR at Citadel Investment Group from June 2004 to July 2011 and worked as a Quantitative Analyst at Bank One between April 2003 and June 2004. Benjamin's career began at House, where retirement occurred in November 2012 after a tenure starting in July 2011. Benjamin's academic background includes a BS, MS, and PhD in Mathematics from the University of Chicago, completed between 1995 and 2003.