Stanley Ho (Founder and managing director SJM): The elusive billionaire had a 40-year monopoly on Macao gambling and remains one of the world's biggest casino operators, despite inroads by American companies, such as Las Vegas Sands Corp. and Wynn Resorts Ltd., that have cut his market share nearly in half. Ho is countering with more elaborate casinos, including the Grand Lisboa, which debuted in February, and two outsized casino projects, Oceanus and Ponte 16.