Many would assume that Marc J Leder, co-founder of global equity firm Sun Capital Partners Inc. has it easy. After all, the guy makes massive profits every year and is also a co-owner of the professional basketball team Philadelphia 76ers. Additionally, he is also an avid arts collector and is the Director of the Berggruen Museum in Berlin. However, if one takes the time to talk face to face with Marc Leder, one would realize that he owes much of his success to persistence and perseverance. When interviewed at the Fostering a Legacy fund raising event, he said that he…