Bruce Kovner
Bruce Stanley Kovner (born 1945 in Brooklyn, New York) is an American businessman. He is Chairman of Caxton Alternative Management LP, which he established in January 2012 to manage his investment, trading and business activities. From 1983 through 2011, Kovner was Founder and Chairman of Caxton Associates, LP, a diversified trading company. In March 2014, Kovner had an estimated net worth of around $4.8 billion. Described as secretive even by family and friends, he is perhaps one of the least known New York City billionaires outside of professional circles. He is a leading philanthropist and former chairman of American Enterprise Institute.