Pengiran Anak Muhammad Ruzaini
He has taken part in several conferences and classes, including "Maximising Non-Aeronautical Revenue for Airports" in Singapore, "Achieving World Class Service Culture" at the IPA, "Maximising Non-Aeronautical Revenue" for Airports in Malaysia, and a working visit to the Civil Authority, Singapore and Malaysian Civil Aviation Department, among others.In addition, he has held a number of other positions, such as Member of the Foreign Direct Investment Secretariat and Secretary to address payment delays in order to increase government revenue receipts and raise the Global Competitive Index (GCI).[4] On 20 September 2012, Princess Hafizah, 32, who is the fifth child of the Sultan and his wife, Queen Saleha, and her groom, Ruzaini, 29, exchanged vows in front of a large group of family members, friends, royals, and leaders from across the world, at Istana Nurul Iman.[7][8] That evening, the newlyweds in the Islamic sultanate would be honoured with a royal banquet attended by leaders of Southeast Asia and international aristocracy.[9] Present at the wedding is Najib Razak,[10] Rosmah Mansor,[11] Yingluck Shinawatra, Benigno Aquino III, Hun Sen,[10] K. Shanmugam, Musa Aman and Abdul Taib Mahmud were among the ASEAN leaders in attendance.