Preston Rabl
Preston Martin Charles Rabl (born January 1949) is a British investment banker, stockbroker and co-founder, with Martin Sorrell, of WPP, the world's largest advertising company. Life 
Rabl began his career as an investment banker, then stockbroker, in the City of London. Rabl has been a friend and business partner of Martin Sorrell. Together, they founder the advertising and public relations company WPP in 1971. Rabl is a major investor in advertising, technology and investment companies. Rabl has also been a partner of Charles and Maurice Saatchi. In 1983 Rabl married Sara Gillian Kirkpatrick, and they have three children. References 

1949 births
Living people
British people of Czech-Jewish descent
British stockbrokers
British financiers
British investors
British investment bankers
British bankers