The current ruler of Dubai is His Highness Sheikh Mohammed Bin Rashid Al Maktoum.
According to the Executive Council of Dubai's official website, His Highness Sheikh Mohammed Bin Rashid Al Maktoum is the current ruler. The website also highlights that his vision for Dubai is rooted in the UAE's heritage and past, while capturing the promise of the present.
It's important to note that Dubai is not a kingdom but an emirate, and Sheikh Mohammed is the *ruler* not a *king*.