Profession: Investor and business magnate
Why Famous: A billionaire, Icahn made his fortune on Wall Street as one of the most notorious corporate raiders of the 1980s.
Later he became a hedge fund manager well known as an activist shareholder and investor.
A favoured tactic of Icahn's is to "greenmail" companies into making radical changes or restructuring under the threat of a takeover.
Such changes once announced often ensures a large increase in the target company's share price allowing Icahn to sell his stocks in the company at a significant profit. Examples include, Marshall Field and Phillips Petroleum.
- 2013-08-02 Carl Icahn sues computer giant Dell in an attempt to derail a buyout bid by the CEO, Michael Dell
- 2015-05-15 Carl Icahn invests $100 million in Lyft, a ride-sharing service
- 2016-12-21 Carl Icahn is announced as Special Advisor to the President on Regulatory Reform, under President Donald Trump