Chung Mong-Koo, the chairman of Hyundai Motor Group, this year failed to make a list of the world's 200 richest people after spending heavily on a 80,000-square-metre site in Gangnam, Seoul, where he plans to build a global business control tower. According to the Bloomberg Billionaires Index, the head of South Korea's largest automaker, who has in the past ranked between 150th and 200th place, had dropped out of the list altogether.