The less mysterious worlds of hedge funds byMohamed A. El-Erian, CEO and Co-CIP of PIMCO -- The global Macro Maven: Ray Dalio, Bridgewater associated -- Man versus Machine: Pierre Lagrange and Tim Wong, Man group /AHL -- The risk arbitrageur: John Paulson, Paulson & Co. -- Distressed debt's value seekers: Marc Lasry and Sonia Gardmer, avenue capital group -- The fearless first mover: David Tepper, appaloosa management -- The activist answer: William A. Ackman, Pershing square capital management -- The Poison Pen: Danieal Loeb, Third point -- The cynical sleuth: James Chanos, Kynikos Assoicated LP -- The derivatives Pioneer: Boaz Weinstein, Saba capital management -- Myron S. Scholes, 1997 Nobel Laureate in economics and Co-author of the black-scholes, option pricing model

1. Hedge funds
2. Investment advisors