g Director, The Carlyle Group Luis Rubio, Director-general, Center of Research for Development, Mexico City William D. Ruckershaus, Chairman, CEO, Browning-Ferris Ind. H. Onno Ruding, vice Chairman Citicorp/Citibank, Brussels Donald H. Rumsfeld, U.S. Secretary of Defense Arthur F. Ryan, CEO, The Prudential Insura