Who is Salomon Brothers Managing Director's wife from Liar's Poker: Rising Through the Wreckage on Wall Street and what is their importance?

Salomon Brothers Managing Director's wife gets Michael Lewis a job. She met Mike at an invitation-only fund-raising dinner held by the queen mother. She arranges for her husband to meet him at the London offices and is his connection to get a job at Salomon Brothers. A few days later he meets Leo Corbett, the head of Salomon New York recruiting, for breakfast.