Sharaa, met Saudi Crown Prince Mohammed bin Salman in Riyadh on Sunday in his first foreign trip as Syrian leader, in a sign of the major shifts under way in regional alliances.

Julani was born in Saudi Arabia, later lived in Damascus, and joined al-Qaeda before becoming the head of Hayat Tahrir al-Sham in Syria.

Syria’s newly appointed interim president, Ahmed al-Shara, arrived in Saudi Arabia on Sunday for his first foreign trip since his rebel coalition ousted the longtime dictator Bashar al-Assad, saying his country seeks a real partnership with the Gulf kingdom.