Shiro Nakamura is widely considered to be one of the world's foremost car designers. The senior vice president and chief creative officer of design, brand management for Nissan, started his career with General Motors in the 70s and Isuzu in the 80s and 90s where he was involved in the groundbreaking Isuzu Vehicross production car which prefaced the incredibly successful - and still expanding -small 4x4 soft-roader market segment. Guy Bird recently caught up with him.