John Oyler, a biotech CEO, reached a $1 billion net worth, earning himself a spot on the list.
Mr. Oyler is the CEO and co-founder of BeiGene, which was founded in Beijing in 2010. He owns 6 percent of the company.
Mr. Oyler also started and sold two companies before BeiGene, including telecom research firm Telephia and drug outsourcing company BioDuro, which he sold for $77 million in 2010.
