Naguib Sawiris is a scion of Egypt's wealthiest family. His brother Nassef is also a billionaire.
Naguib Sawiris built a fortune in telecom, selling Orascom Telecom in 2011 to Russian telecom firm VimpelCom (now Veon) in a multibillion-dollar transaction.
He's chairman of Orascom TMT Investments, which has stakes in an asset manager in Egypt and Italian internet company Italiaonline, among others.
He also developed a luxury resort called Silversands on the Caribbean island of Grenada.