Tahnoun bin Zayed Al Nahyan, born on December 4, 1968, is an Emirati politician and has served as the National Security Advisor of the United Arab Emirates (UAE) since 2016. He is a member of the ruling family in Abu Dhabi and is the brother of UAE President Mohamed bin Zayed Al Nahyan. Alongside his political role, he manages a $1.3 trillion business portfolio, which is stated to support national security interests and the UAE's corporate sector.