The 15 Richest Doctors In The World

4. Wu Yiling: $1.8 billion

Wu Yiling practiced medicine for 11 years before leaving to create his own pharmaceutical company in 1992. His company focuses on medicines for heart-related issues and the flu. Wu Yiling and his family own 59 percent of the company, and it has a very successful debut on the Chinese stock exchange. With the success of his company over the years, he has remained among the world’s billionaires.