![Assistant Secretary-General, Assistant Administrator and Director of the Bureau for Policy and Programme Support (RBPPS) | United Nations Secretary-General Assistant Secretary-General, Assistant Administrator and Director of the Bureau for Policy and Programme Support (RBPPS) | United Nations Secretary-General](https://www.un.org/sg/sites/www.un.org.sg/files/smg-portrait/Haoliang-Xu-thumb%20%28002%29.jpg)
Assistant Secretary-General, Assistant Administrator and Director of the Bureau for Policy and Programme Support (RBPPS) | United Nations Secretary-General
![Ostrow faculty member Jian Xu does craniofacial biology with heart - Herman Ostrow School of Dentistry of USC Ostrow faculty member Jian Xu does craniofacial biology with heart - Herman Ostrow School of Dentistry of USC](https://dentistry.usc.edu/wp-content/uploads/2022/04/Xu-Jian-cr-John-Skalicky-2018-scaled.jpg)
Ostrow faculty member Jian Xu does craniofacial biology with heart - Herman Ostrow School of Dentistry of USC
![Chinese actor and model Xu Kai attends the Tiffany Co. promotional event in Shanghai, China, 19 August 2019 Stock Photo - Alamy Chinese actor and model Xu Kai attends the Tiffany Co. promotional event in Shanghai, China, 19 August 2019 Stock Photo - Alamy](https://c8.alamy.com/comp/2A46DGD/chinese-actor-and-model-xu-kai-attends-the-tiffany-co-promotional-event-in-shanghai-china-19-august-2019-2A46DGD.jpg)
Chinese actor and model Xu Kai attends the Tiffany Co. promotional event in Shanghai, China, 19 August 2019 Stock Photo - Alamy
Jiayi Xu - University of North Carolina at Chapel Hill - Palo Alto, California, United States | LinkedIn
![Orthopaedic Trauma Fellow Dr. Mark Xu Awarded an AO Trauma North America Fellows Research Support Grant - Department of Orthopaedics Orthopaedic Trauma Fellow Dr. Mark Xu Awarded an AO Trauma North America Fellows Research Support Grant - Department of Orthopaedics](https://med-fom-orthopaedics.sites.olt.ubc.ca/files/2021/09/MarkXu_500x500.jpg)