O'Brien Edwin W
O'Reilly David Wayne
Oakes Bryan K.
Oba Fumio
Obara Rikuro
Obayashi Kousuke
Obayashi Shinichi
Obeng Kofi P.
Oestreicher Winfried
Oetjen Jürgen
Oetzel Dieter
Officine Savio SpA
Ogata Masaaki
Ogawa Yoshitaka
Ogilvy Renault (PWC)
Ohashi Izumi
Ohga Syogo
Ohira Koya
Ohsugi Eiji
Ohta Yoshimi