Paul Singer is an American billionaire hedge fund manager and the founder of Elliott Management Corporation, a prominent investment firm established in 1977. He is known for his activist investment strategy, where he buys significant stakes in companies to influence their management and operations. Singer has gained attention for his involvement in various high-profile corporate battles and distressed asset investments. He is also recognized for his philanthropic efforts, particularly in areas such as education, medical research, and human rights, often through the Paul E. Singer Foundation.