Abu Dhabi’s $1 Trillion Man Emerges as Iran Troubleshooter (1)

Sheikh Tahnoon bin Zayed Al Nahyan is best known as the defacto business chief of Abu Dhabi’s wealthy ruling family and the man at the helm of a $1.5 trillion empire. Behind the scenes, he has taken on another role: Diplomatic emissary charged with helping rebuild the United Arab Emirates’ relationship with Iran.

In the three months since the regional war began, Abu Dhabi’s initially hawkish stance gave way to a more pragmatic approach built upon engaging with its bigger neighbor. Sheikh Tahnoon, also the UAE’s national security advisor, played a key role in that process, according to people ...