![STARS_zhang yun irene](/sao/-/media/department/sao/content/srss/hall-administration/hmt-halls/individual-hall/violet-hall/stars_zhang-yun-irene.jpg?bc=ffffff&h=430&w=280&hash=6030297F12E77FC727E208094AFD6546)
Dr ZHANG Yun, Irene
School of Hotel & Tourism Management
- Rm 0532
- yunhaha.zhang@polyu.edu.hk
- Hobbies : Hiking, badminton & table tennis
![NR2A0742](/sao/-/media/department/sao/content/srss/hall-administration/hmt-halls/individual-hall/violet-hall/rf_lang.jpg?bc=ffffff&h=430&w=280&hash=E1185051D2896141015864F971CE22E7)
Dr LANG Hao
Department of Logistics & Maritime Studies
- Rm 0732
- david.lang@polyu.edu.hk
- Hobbies : Soccer, hiking, video games & Chinese calligraphy
![STARS_peggy woh](/sao/-/media/department/sao/content/srss/hall-administration/hmt-halls/individual-hall/violet-hall/stars_peggy-woh.jpg?bc=ffffff&h=430&w=280&hash=9075EEB00C4807D2D96B6C7F20321D66)
Dr Woh Pei Yee, Peggy
Department of Food Science & Nutrition
- Rm 0521
- peggy.woh@polyu.edu.hk
- Hobbies : Food rescue volunteering, gym, basketball, hiking, biking, music, gardening, food hunting, city exploration & cross-country travel
![STARS_bayuo jonathan](/sao/-/media/department/sao/content/srss/hall-administration/hmt-halls/individual-hall/violet-hall/stars_bayuo-jonathan.jpeg?bc=ffffff&h=430&w=280&hash=B10C6406E6D47BC7063BF941C1B94A6D)
Dr Bayuo Jonathan
School of Nursing
- Room : 0403
- jonathan-na.bayuo@polyu.edu.hk
- Hobbies : Singing, poetry & playing string instruments
![STARS_yu cehao](/sao/-/media/department/sao/content/srss/hall-administration/hmt-halls/individual-hall/violet-hall/stars_yu-cehao.jpg?bc=ffffff&h=430&w=280&hash=6BB251C884EE73EFAB17ABA151B47F8E)
Dr Yu Cehao
Department of Building Environment & Energy Engineering
Research areas and topics: Industrial design, visual neuroscience, chronobiology
- Room 0402
- cehao.yu@polyu.edu.hk
- Hobbies : Art exhibitions, hiking, swimming & travel
![RF_CHEN](/sao/-/media/department/sao/content/srss/hall-administration/hmt-halls/individual-hall/violet-hall/rf_chen.jpg?bc=ffffff&h=430&w=280&hash=2A013837010D63009FAEC590B6D4722D)
Dr Chen Jinyan, Emily
School of Hotel & Tourism Management
- Room 0302
- jinyan.chen@polyu.edu.hk
- Hobbies : Badminton, squash, acoustic guitar, dance & yoga
![STARS_ahmad m riaz](/sao/-/media/department/sao/content/srss/hall-administration/hmt-halls/individual-hall/violet-hall/stars_ahmad-m-riaz.jpg?bc=ffffff&h=430&w=280&hash=4AA45C9CC4523B36A742B815014916E8)
Dr Ahmad Muhammad Riaz
Department of Civil & Environmental Engineering
Research areas and topics: Waste utilization into construction materials, Alkali-activated materials, Supplementary cementitious materials, Bio-aggregate concrete, Limestone Calcined Clay cement
- Room 0420
- mriaz.ahmad@polyu.edu.hk
- Hobbies : Chess, Cricket, Billiards, Badminton, Hiking, Gym & Travel