Carl Icahn is an American businessman and investor known for his role as an activist shareholder. Born on February 16, 1936, he founded the investment firm Icahn Enterprises and has made significant investments in various companies, often pushing for changes to increase shareholder value. His strategies typically involve buying large stakes in companies and advocating for management changes or restructuring. Icahn has been involved with several high-profile companies, including Apple, Netflix, and Yahoo. He is recognized for his aggressive approach to investing and has been a prominent figure in the financial world for decades. His influence has made him a key player in corporate governance discussions.