Doha: The Amir, His Highness Sheikh Tamim bin Hamad Al Thani, will open on Sunday the Fifth United Nations Conference on the Least Developed Countries, which is being held under the slogan "From Potential to Prosperity", at the Qatar National Convention Center, with the participation of a number of their Majesties, Excellencies, Heads of State and Government, Ministers and Diplomats from brotherly and friendly countries, senior officials, businessmen, decision-makers, and representatives of regional and global organizations, institutions, and companies.