Invited Talks and Seminars
"Mixed discounting", "The role of mixed discounting in risk-averse sequential decision-making", "Preference elicitation and optimization", "The role of discounting and compounding in infinite-horizon cash flow risk management", "Discounting is not enough? The impact of compounding in sequential decision-making", "Risk preference and time preference elicitation in decision-making"
- Research Institute for Interdisciplinary Sciences, Shanghai University of Finance and Economics Oct 2026.
- HKU IDS Interdisciplinary Workshop — Exploring the Foundations: Fundamental AI and Theoretical Machine Learning May 2025.
- Workshop on Risk and Robust Markov Decision Processes and Reinforcement Learning, School of Business, Sun Yat-sen University May 2025.
- International Business School Suzhou, Xi'an Jiaotong-Liverpool University Mar 2025.
- 15th POMS-HK International Conference Jan 2025. slides
- C. Y. Tung Institute of Intelligent Manufacturing and Service Management (Sino-US Global Logistics Institute), Shanghai Jiao Tong University Jan 2024.
- XVI International Conference on Stochastic Programming, Davis, CA Jul 2023.
- Seminar for IMSE7002 Advanced Industrial Engineering Technology, The University of Hong Kong May 2023 / Apr 2024.
- Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong Apr 2022.
"Robust data-driven quasiconcave optimization", "Robust data-driven quasiconcave optimization for resource allocation", "On efficient computation of the quasi-concave envelope"
- School of Data Science, Fudan University Oct 2026.
- HKU-IDS Scholar Seminar Jul 2026.
- POMS International Conference in China, Xi'an, China Jul 2026. slides
- 2025 International Conference on Continuous Optimization, Los Angeles, CA Jul 2025. slides
"DRL-ORA: Distributional reinforcement learning with online epistemic risk adaptation"
- 42nd Conference on Uncertainty in Artificial Intelligence (UAI), Amsterdam, the Netherlands Aug 2026. poster
"Learning nearly-hindsight benchmarks in online non-convex constrained optimization", "Online non-convex learning with long-term non-convex constraints"
- HORIZONS 2026: Optimization for Sustainability, VinUniversity, Hanoi, Vietnam Jul 2026. slides
- AI for Science Mini Symposium, The University of Hong Kong Jan 2026. slides
"Tackling uncertainties and ambiguities of choice in assortment planning", "The impact of risk-awareness on assortment planning", "Robust assortment optimization with ambiguous dissimilarity factors"
- Department of Management Science, School of Economics and Management, University of Chinese Academy of Sciences Apr 2026. slides
- Department of Logisitics Management, School of Economics and Management, Beijing Jiaotong University Apr 2026.
- Department of Industrial Engineering, Tsinghua University Apr 2026.
- 14th POMS-HK International Conference Jan 2024. slides
- School of Mathematical Science, Xiamen University Dec 2023.
- POMS Annual Conference, Orlando, FL May 2023.
- INFORMS Annual Meeting, Virtual Nov 2020. slides
"Data-and-structure driven reactive lateral transshipment policy for multi-retailer system", "Data-driven optimal lateral transshipment policy for multi-retailer system"
- 16th POMS-HK International Conference Jan 2026.
- On-site Review of RGC TRS Funded Project: T32-707/22-N, Hong Kong Polytechnic University Oct 2024. poster
"AI+OR: Three Examples in Bridging Theory and OM Applications", "Data-driven inventory management for new products: An adjusted Dyna-Q approach with transfer learning"
- Shenzhen Research Institute of Big Data and School of Data Science, The Chinese University of Hong Kong, Shenzhen Dec 2025.
- 21st IEEE International Conference on Automation Science and Engineering, Los Angeles, CA Aug 2025.
"Fast convergent risk-aware reinforcement learning", "Risk-aware and variance-reduced reinforcement learning with application in portfolio optimization"
- INFORMS Annual Meeting, Atlanta, GA Oct 2025.
- 15th POMS-HK International Conference Jan 2025.
- NSFC Young Scientist Fund Workshop (Department of Management Sciences), Fuzhou, China Dec 2023.
"Preference robust optimization: characterization and numerical methods", "Preference elicitation and robust optimization with multi-attribute quasi-concave choice functions", "A unifying framework for multi-attribute decision-making under preference ambiguity"
- Group for Research in Decision Analysis / CRC in Decision-Making under Uncertainty Webinar, Montréal, Quebec, Canada Jun 2021. slidesvideo
- Department of Industrial Engineering, Tsinghua University May 2021.
- Department of Management Science, School of Economics and Management, University of Chinese Academy of Sciences May 2021.
- Department of Data and Systems Engineering (previously Industrial and Manufacturing Systems Engineering) and Department of Mathematics, The University of Hong Kong Apr 2021.
- Institute for Data and Decision Analytics (now merged into School of Data Science), The Chinese University of Hong Kong, Shenzhen May 2019.
- Shenzhen Research Institute of Big Data May 2019.
- INFORMS Annual Meeting, Phoenix, AZ Nov 2018. slides
- Department of Industrial Systems Engineering and Management, National University of Singapore Jul 2017.
- 24th International Conference on Multiple Criteria Decision Making, Ottawa, Canada Jul 2017. slides
"Efficiency versus accuracy: The optimal level of decentralization in humanitarian operations for sudden-onset disasters"
- Durham Early Career Scholars Professional Development Workshop: Operations and Analytics, Durham, UK Jun 2025.
- HKU-IDS Scholar Seminar Mar 2025.
- INFORMS MSOM Conference, Minneapolis, MN Jul 2024. Xiaobo's slides
"Introduction to Data Science", "Scalability and robustness in data-driven decision-making"
- Summer Research Programme Workshop, The University of Hong Kong Jul 2023 / Jul 2024 / Jul 2025. slides
- Musketeers Foundation Institute of Data Science, The University of Hong Kong Dec 2021.
"Model-free and risk-aware sequential decision-making", "Stochastic approximation for risk-aware Markov decision processes", "Risk-aware Q-learning for Markov decision processes", "Two online algorithms for risk-aware Markov decision processes", "On solving risk-aware Markov decision processes", "Model and reinforcement learning for Markov games with risk preferences", "Online learning for stochastic game with risk preferences"
- School of Mechanical Engineering, Shanghai Jiao Tong University Jan 2024.
- Alibaba Business School, Hangzhou Normal University Nov 2023.
- HKU-IDS Scholar Seminar Mar 2023. slidesvideo
- 34th AAAI Conference on Artificial Intelligence (AAAI), NYC Feb 2020. poster
- INFORMS Annual Meeting, Phoenix, AZ Nov 2018. poster
- 56th IEEE Conference on Decision and Control, Melbourne, Australia Dec 2017. slides
- SJTU-NUS E2S2-CREATE 3rd SAC Meeting, Singapore Aug 2017. poster
- Department of Industrial Systems Engineering and Management, National University of Singapore Mar 2017 / Aug 2015. slides
"Randomized smoothing SVRG for large scale non-smooth convex optimization"
- Department of Mathematics, National University of Singapore Mar 2018.
"Data-driven risk measure and ranking"
- Department of Industrial Systems Engineering and Management, National University of Singapore Apr 2016. slides
"A GIS-based resilience design for water supply systems"
- SJTU-NUS E2S2-CREATE Information Session, Singapore Oct 2013.