Hung Q. Nguyen

Hung Q. Nguyen

Operations research and applied AI researcher working across queueing theory, stochastic systems, optimization, and real-world decision support.

Appointments

04/2023 — present

Researcher, Hitachi, Ltd.

Advanced AI Innovation Center, Social Intelligence Research Department

Research and development in AI, operations research, mathematical optimization, forecasting, and data analysis.

Education

04/2020 — 03/2023

Ph.D. in Policy and Planning Sciences, University of Tsukuba

Applied Stochastic Systems Laboratory, supervised by Professor Tuan Phung-Duc.
Dissertation: Agent behaviors and optimal designs in double-ended queueing systems.

10/2017 — 09/2019

M.A. in Economics, Tohoku University

Graduate School of Economics and Management, Data Science Program.

08/2012 — 02/2017

B.A. in Economics & International Business, Foreign Trade University

Graduated in the top 1% of the cohort.

Selected publications

  1. Hung Q. Nguyen (2026). Learning to allocate automated speed enforcement: An observational policy optimization framework with reinforcement learning. Case Studies on Transport Policy, 25, 101855. doi:10.1016/j.cstp.2026.101855.
  2. Hung Q. Nguyen and Tuan Phung-Duc (2025). Subgame perfect Nash equilibrium analysis in a two-population strategic matching queue with nonzero matching times. Operations Research Letters, 63, 107362. doi:10.1016/j.orl.2025.107362.
  3. Hung Q. Nguyen and Tuan Phung-Duc (2022). Strategic customer behavior and optimal policies in a passenger–taxi double-ended queueing system with multiple access points and nonzero matching times. Queueing Systems, 102, 481–508. doi:10.1007/s11134-022-09786-3.
  4. Hung Q. Nguyen and Tuan Phung-Duc (2022). Supply–demand equilibria and multivariate optimization of social welfare in double-ended queueing systems. Computers & Industrial Engineering, 170, 108306. doi:10.1016/j.cie.2022.108306.
  5. Hung Q. Nguyen and Tuan Phung-Duc (2022). A two-population game in observable double-ended queueing systems. Operations Research Letters, 50(4), 407–414. doi:10.1016/j.orl.2022.05.004.
Complete publication list ↗

Awards

09/2026

16th Research Encourage Award for Young Researchers

The Operations Research Society of Japan.

12/2025

Digital Innovation R&D Technology Award — 3rd Prize

Hitachi, Ltd., Research & Development Group.

12/2024

Year-end Internal Award

Hitachi, Ltd., Digital Systems & Services Department.

05/2024

Paper Award

Special Interest Group of Queueing Theory, The Operations Research Society of Japan.

03/2023

President’s Award

University of Tsukuba.

03/2023

Alumni Association Ezaki Award

University of Tsukuba Alumni Association.

01/2023

Research Encouragement Award

Special Interest Group of Queueing Theory, The Operations Research Society of Japan.

Research funding

2021 — 2023

JST SPRING

Japan Science and Technology Agency / University of Tsukuba.

Peer-review activities

Journals
  • Discover Computing
  • INFOR
  • Journal of Mathematical Economics
  • Mathematics and Computers in Simulation
  • Methodology and Computing in Applied Probability
  • Omega
  • Queueing Models and Service Management
  • Queueing Systems
  • Scientific Reports