Keith Meister, founder of New York-based hedge fund Corvex Management, learned the trade of activist investing from the industry’s best. For seven years, Meister served as famed activist Carl Icahn’s right-hand man. He was vice chairman of the board of Icahn Enterprises, during which he spent several years as CEO and principal executive officer of the firm, and was also a senior managing director with hedge fund Icahn Capital, which closed in 2011. It’s no surprise then that Meister has piloted Corvex to success…