Steven Cohen
AGE: 51
OCCUPATION: Founder of SAC Capital Partners
NUMBER OF TIME COVERS: 0
PREVIOUS APPEARANCES ON THE TIME 100: 0
PRO: Secretive, self-made king of hedge funds who's worth somewhere north of $3 billion. Through his firm, he controls about $10 billion in equity. He has also spent more than $700 million snapping up masterpieces for his art collection.
CON: He's just one, albeit hugely successful, player in a rapidly growing, $2 trillion industry.