Jack Eisenstat is a founder, Chief Investment Officer (CIO), sole risk taker, portfolio manager. Prior to starting the firm, he was a managing director and partner at Caxton International where from May 2003 through March 2008, he co-ran the European long/short equity fund. Prior to joining Caxton, he co-managed a similar fund at SAC from December 2000 to March 2003. Prior to SAC, Jack managed a US technology, media and telecommunications fund at Citigroup from February 1998 to October 2000 and was a generalist equity analyst from July 1996 to January 1998 for a hedge-fund at Travelers Group. He started his career in 1994 as a banker at Salomon Brothers. He received a B.S. from the Wharton School of Business and a B.A. from the College of Arts and Sciences at the University of Pennsylvania. He has a Masters in economics from Trinity College, Cambridge University, England.