Nassim nicholas taleb, the best risk management theorist at present. Master of Business Administration from Wharton Business School, Ph.D. from Paris University, and currently an outstanding professor at new york University Institute of Technology. He has traded various derivatives in new york and London, and worked as an independent trader in Chicago. In February, 20001year, he officially became a member of the hall of fame of derivative financial commodity trading strategy. Before "9. 1 1", he bought a large number of put warrants with low exercise price and seemingly worthless value, and shorted the US stock market in a unique way until terrorists hijacked a plane and crashed into the World Trade Center in New York, thus making huge profits and becoming famous in one fell swoop. Before the subprime mortgage crisis broke out in the United States, he had the foresight to short his position and made millions of dollars from it. His last bestseller Fooled by Randomness was published in 30 languages. Masterpieces: A Fool Who Get Rich at Random, The World of Black Swan, Black Swan.