Question: Grosvenor House is owned by the president of what authority?

full_context: Document 1: United Arab Emirates: The United Arab Emirates ( ; UAE; Arabic: دولة الإمارات العربية المتحدة‎ ‎ "Dawlat al-Imārāt al-'Arabīyah al-Muttaḥidah "), sometimes simply called the Emirates (Arabic: الإمارات‎ ‎ "al-Imārāt "), is a federal absolute monarchy in Western Asia at the southeast end of the Arabian Peninsula on the Persian Gulf, bordering Oman to the east and Saudi Arabia to the south, as well as sharing maritime borders with Qatar to the west and Iran to the north. In 2013, the UAE's population was 9.2 million, of which 1.4 million are Emirati citizens and 7.8 million are expatriates.
Document 2: Dubai Towers Dubai: Dubai Towers Dubai was a four tower complex on hold in the city of Dubai, United Arab Emirates. The developer, Sama Dubai, intended this to form the centrepiece of The Lagoons, a megaproject located on Dubai Creek which was to consist of seven islands. The towers have between 57 and 94 stories and although the heights are not known, it is believed the tallest would top 400 m while two others would rise beyond 300 m and the fourth tower will rise at 230 m . Sama ECH was the Project Management company in charge of the project. Due to downturn in Dubai, the project was cancelled. As the Complex were not built, The Tower was proposed, It will surpass Burj Khalifa upon its completion. Its construction began in 2016, estimated to be completed in 2020.
Document 3: Al Fattan Marine Towers: The Al Fattan Marine Towers is a complex in the Dubai Marina section of Dubai, United Arab Emirates. The towers are located within Jumeirah Beach Residence, a 40-tower, 7,000 unit residential and hotel development which runs alongside Dubai Marina. The Al Fattan Marine Towers consist of two twin 50-story towers, the Al Fattan Tower, and the Oasis Beach Tower, consisting of serviced and residential apartments which have since been sold to individual investors and homeowners. Both towers stand at a height of 245 m (804 ft) and a roof height of 230 m (755 ft), and are the tallest buildings in Jumeirah Beach Residence. Construction of both towers was completed in 2006. Following completion the developer, Al Fattan Properties LLC built a 12-storey office and retail building on an adjacent plot between the towers and Dubai Marina restricting views of the marina from the towers. In 2012 Al Fattan commenced construction of two high-rise towers on the beach in front of the towers which will largely restrict seaviews from Al Fattan Marine Towers. Al Fattan had earlier demolished a 10-story hotel on the site, the Oasis Hotel, which it had built about a decade earlier. Originally Al Fattan proposed to build a mega 97-tower building on the site to be called Burj Al Fattan, however a subsequent decision was made to split the development into two high-rise towers. The exact number of floors is not known as there has been no public disclosure of the project.
Document 4: Al Ghurair Group: Al Ghurair Group (Arabic: مجموعة سيف الغرير) (also known as Saif Al Ghurair Group) is a Dubai, United Arab Emirates-based business group founded by the Al Ghurair family. A diverse conglomerate, it has operations in the Middle East, North Africa, Europe and North America. The grandsons of Al Ghurair Group founder Ahmad Al Ghurair run the group. Abdul Rahman Saif Al Ghurair serves as group chairman and Majid Saif Al Ghurair is the group's chief executive officer.
Document 5: Emirates Office Tower: The Emirates Office Tower, also known as Emirates Tower One, is a 54-floor office building along Sheikh Zayed Road in the city of Dubai, United Arab Emirates. Connected with the 56-floor Jumeirah Emirates Towers Hotel by a retail boulevard, the two towers form what is commonly referred to as the Emirates Towers complex. The tower has a total structural height of 354.6 m and roof height of 311 m , making it the 41st-tallest building in the world. The Emirates Office Tower One is taller than the neighboring Jumeirah Emirates Towers Hotel, but has two fewer floors. Construction of the building was completed on November 3, 1999.
Document 6: Khalifa Shaheen Al Merri: Khalifa Shaheen Al Merri currently serves as the ambassador of the United Arab Emirates to Iran since 1999. Al Merri obtained his Bachelors degree in Business & Economy from Japan in 1981. He also graduated from the United States with a Masters degree in Political Economy in 1985.
Document 7: Dubai World Central: Dubai World Central Name changed to the Dubai South Free Zone is the development currently under construction in Dubai, United Arab Emirates. It will be an economic zone to support a number of activities including logistics, aviation, commercial, exhibition, humanitarian, residential and other related businesses around Al Maktoum International Airport with the planned annual capacity of 12 million tonnes of cargo and 160 million passengers. The construction area is 140 square kilometres, almost two times the size of Hong Kong Island. The location is estimated to be the future home of 900,000 people. The Dubai World Central combined with the Al Maktoum International Airport is expected to draw additional tourism to the Middle East, designed to handle 20 million visitors a year by 2020. The development has been designed on the basis of three key factors: Dubai's geographic location, increasing importance of airports in the Middle East region, and the region's booming aviation sector. The Dubai International Central functions as the central hub for the MENASA market, serving nearly one quarter of the world's population and doing 3.6 trillion USD in business in the year 2009.
Document 8: Bay Central: Bay Central is a complex of three towers in Dubai Marina in Dubai, United Arab Emirates. The West Tower, and the Intercontinental Tower stand at a height of 42 floors. The Central Tower, consists of 50 floors (180 metres). The Central and West towers are residential towers and were completed in 2013. The third tower is the Intercontinental Hotel and was opened in May 2015 after a 2-year delay.
Document 9: United Arab Emirates Legal Process: The United Arab Emirates is a middle-eastern country, located at the end of the Arabian Peninsula on the Persian Gulf, consisting of seven emirates known as Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Quwain, Ras al-Khaimah and Fujairah. Each emirate is governed by an emir who jointly forms the Federal Supreme Council (FSC). The Federal System of government includes the Supreme Council, Cabinet, Council of Ministers, parliamentary body, Federal National Council and independent judiciary. The Federal Supreme Council is the highest constitutional authority that has legislative and executive powers with the ability to ratify federal laws, decrees, and plans general policies. Its jurisdictions are derived from French, Roman, Egyptian and Islamic law.
Document 10: Princess Tower: The Princess Tower (Arabic: برج الأميرة‎ ‎ ) is a 101 story, 413.4 m tall residential-only skyscraper located in the Marina district of Dubai, UAE. Princess Tower is currently the second tallest building in Dubai, after the Burj Khalifa, and the 24th tallest building in the world. Princess Tower was the tallest residential building in the world from 2012 to 2015, when it was overtaken by 432 Park Avenue in New York City.
Document 11: MarinaScape: MarinaScape is a complex of two residential towers in Dubai Marina in Dubai, United Arab Emirates. Oceanic Tower consists of 34 storeys and has a total structural height of 132 m (430 ft). The shorter tower, Avant Tower, consists of 26 storeys at a height of 104 m (340 ft). The towers was handed over to owners in December 2008.
Document 12: Ahmed bin Saeed Al Maktoum: Shiekh Ahmed bin Saeed Al Maktoum (Arabic: أحمد بن سعيد آل مكتوم‎ ‎ ; born 1 December 1958) is president of the Dubai Civil Aviation Authority, CEO and chairman of the Emirates Group, chairman of Dubai World, and Noor Takaful insurance company. He is chairman of the Dubai Supreme Fiscal Committee, and second vice chairman of the Dubai Executive Council.
Document 13: Grosvenor House (Dubai): Grosvenor House is a twin tower complex in Dubai Marina in Dubai, United Arab Emirates. The two towers, Grosvenor House West Marina Beach and Grosvenor House The Residence, stand at the same height of 210 metres (690 ft) with 48 floors each. The complex, which is owned by Sheikh Ahmed bin Saeed Al Maktoum, is named after the Grosvenor House in London.
Document 14: Egypt–United Arab Emirates relations: Since after the war of UAE in 1971, Egypt and the United Arab Emirates relations were always at a good level and developing at an unprecedented rate. Egypt has an embassy in Abu Dhabi and consulate-general in Dubai while the UAE maintains an embassy in Cairo. The bond of friendship between the leaders of both countries has reflected on the growing political, economic and cultural ties between them, as a result UAE ranks first among Arab and foreign countries investing in Egypt. UAE and Egypt maintain a close economic ties and maintain trade between the two countries with imports and exports between the two sides. The government of UAE by an order from Sheikh Khalifa bin Zayed Al Nahyan the President of UAE, gave Egypt cargo ships carrying 1,000,000 tonnes of wheat as a food gift to the people of Egypt. The UAE supported the 2013 Egyptian revlotion and has since become Egypt's closest ally.
Document 15: DIFC Tower: DIFC towers is a complex of two supertall skyscrapers currently proposed for construction in DIFC, Dubai, UAE. DIFC tower 1 will have 100 floors and DIFC tower 2 will have 75 floors. The two towers will be connected by three bridges. It is planned that 85 percent of the towers will be office space and the remaining space will be retail and apartments. DIFC towers will be the second office tower in Dubai after Lighthouse tower, which incorporates wind turbines so that the building will be able to reduce the consumption of energy and water by 65 and 40 percent respectively. A total of 4,000 solar panels will be installed in the towers.
ground_truth: Dubai Civil Aviation Authority