Perenna Kei
Net Worth: $1.3 Billion
Previously Ji Peili, Perenna Kei is a Chinese businesswoman who in 2014, was named the youngest billionaire in the world at age 24 . She went to the University of London where she graduated with a degree in economics and finance. She inherit 85% holding in Logan Property Holding, ran by her father Ji Haipeng, through companies located in Guernsey and the Cayman Islands. Logan Property sells high-end real estate in the Chinese city of Shenzhen. She also has a family trust.