Who is John Meriwether from Liar's Poker: Rising Through the Wreckage on Wall Street and what is their importance?

John Meriwether is a Salomon trader. He is known as King of the Game. As champion, Meriwether has earned enough cash and courage to meet Gutfreund's bet. He is the best bond trader on Wall Street because he controls his emotions and expressions of fear and greed. Meriwether has six traders working for him that have Ph.D.s but are obsessed by the game.