Question: Grosvenor House is a twin tower complex in Dubai Marina in Dubai, United Arab Emirates, the complex, which is owned by Sheikh Ahmed bin Saeed Al Maktoum,   is president of the Dubai Civil Aviation Authority, CEO and chairman of which organization, chairman of Dubai World, and Noor Takaful insurance company?
Sentence (from "Mohamed Alabbar"): Alabbar, who acts as a top adviser to the Ruler of Dubai and Vice President and Prime Minister of the United Arab Emirates, Sheikh Mohammed bin Rashid Al Maktoum, formerly served as the founding director general of the Dubai Department of Economic Development.
Relevant evidence: No