People and Research People

People Details

Prof. LEUNG Ngai Hang Zachary

梁毅恒博士

Adjunct Professor

Address
7-252, Lau Ming Wai Academic Building, City University of Hong Kong
Phone
+852 34428586
Fax
+852 34420189

Qualifications

PhD - Operations Research (Massachusetts Institute of Technology)
MSc - Applied Mathematics (National University of Singapore)
BSc - Applied Mathematics (National University of Singapore)

Biography

Zachary Leung received his PhD in operations research from the Operations Research Center at MIT, and his MSc and BSc in applied mathematics from the National University of Singapore. Prior to joining the faculty at the department of Management Sciences, Dr. Leung spent a year at the Tepper School of Business at Carnegie Mellon University as a post-doctoral fellow.

His research interests include supply chain management, revenue management, and healthcare operations.

Publications

Journal Publications and Reviews

Bernards, Sarah; Lee, Eric; Leung, Ngai; Akan, Mustafa; Gan, Kyra; Zhao, Huan; Sarkar, Monika; Tayur, Sridhar; Mehta, Neil / Awarding additional MELD points to the shortest waitlist candidates improves sex disparity in access to liver transplant in the United States. December 2022; In: American Journal of Transplantation. Vol. 22, No. 12, pp. 2912-2920

Gallien, Jérémie; Leung, Ngai-Hang Z.; Yadav, Prashant / Inventory Policies for Pharmaceutical Distribution in Zambia: Improving Availability and Access Equity. December 2021; In: Production and Operations Management. Vol. 30, No. 12, pp. 4501–4521

Cohen, Maxime C.; Leung, Ngai-Hang Zachary; Panchamgam, Kiran; Perakis, Georgia; Smith, Anthony / The impact of linear optimization on promotion planning. March 2017; In: Operations Research. Vol. 65, No. 2, pp. 446-468

Leung, Ngai-Hang Z.; Chen, Ana; Yadav, Prashant; Gallien, Jérémie / The impact of inventory management on stock-outs of essential drugs in sub-Saharan Africa: Secondary analysis of a field experiment in Zambia. May 2016; In: PLoS ONE. Vol. 11, No. 5

Chiu, Chun-Hung; Leung, Ngai-Hang Z.; Natarajan, Karthik / New analytical bounds on the average undershoot in an infinite horizon (s, S) inventory system. January 2013; In: Operations Research Letters. Vol. 41, No. 1, pp. 67-73