Talk abouttwisty-turny paths. Istarted life as an electrical engineer and ended uprunning a billion dollar hedge fundon Wall Street. Like a pinball bouncing off of bumpers, Iíve been a chip designer, programmer,Wall Streetanalyst, investment banker, magazine columnist, venture capitalist, op-ed writer, hedge fund manager and even a book author. My mother thinks I caníthold a job. Friends suggest I know very little about everything and a lot about nothing. Thatís hard to argue with.