In addition to Mr. Anderson , the members include Gary Brinson , retired chairman of an investment management firm ; Mark Dalton , president of Tudor Investment Corporation ; Ron Elgin , chief executive of DDB Worldwide Communications ; Scott Oki , founder of Oki Developments and an early Microsoft executive ; W. Preston Raisin , a senior managing director of Bear Stearns ; and Salome Thomas-El , a leading educator and author of '' I Choose to Stay , '' a book that tells why he has remained an educator .