Global Operations

Nan Yang, Co-Chair
Nan Yang is the Leslie O. Barnes Professor of Management at Miami Herbert Business School, University of Miami. Her research interests include supply risk management, integrated supply and demand management, pharmaceutical supply chain management, healthcare operations, and competition in supply chain. Her work has been published in Management Science, Operations Research, Manufacturing and Service Operations Management, and Production and Operations Management.

Zahra Azadi
Zahra Azadi is an Assistant Professor of Practice in Operations and Supply Chain Management at the University of Miami Herbert Business School. She holds a Ph.D. in Industrial Engineering from Clemson University. Her research has focused on developing large-scale stochastic optimization models and solution algorithms in healthcare, particularly in vaccine supply chain design and inventory management, with the goal of maximizing immunization coverage around the world. Her research has appeared in journals such as Annals of Operations Research and Computers and Industrial Engineering. Zahra is the major advisor for the Bachelor of Business Administration in Supply Chain Analytics and teaches Operations Management, Supply Chain Modeling, and Supply Chain Strategy classes. She has been awarded the Faculty Learning Community Fellowship to participate in the Quality Enhancement Plan program on Learning through Dialogue and Discussion in Fall 2021.

Xin Geng
Xin Geng is an associate professor of Management at Miami Herbert Business School, University of Miami. His research interests include supply chain strategies, issues from OM/Marketing interface, and optimization models for pricing and revenue management. His work has been published in Management Science, Manufacturing & Service Operations Management, and Production and Operations Management. Xin received his Ph.D. in Management Science from the University of British Columbia in 2015, and has worked at the University of Miami since then. 

Kevin Hong
Dr. Kevin Hong is a Miami Herbert Centennial Endowed Chair and Professor at the Miami Herbert Business School, University of Miami. Dr. Hong’s research interests are in the areas of the Future of Work, Digital Platforms, Digital Media, and Human-AI Interactions. His research has been published in premier journals such as Management Science, Information Systems Research, MIS Quarterly, Production and Operations Management, and INFORMS Journal on Computing. His work has been supported by prestigious grants from the Robert Wood Johnson Foundation and the National Science Foundation. Dr. Hong currently serves as a Senior Editor of Production and Operations Management, and an Associate Editor of Information Systems Research. He also serves as an advisor or research scientist for many tech companies and startups, primarily working with them on large-scale digital field experimentation efforts.

Nina Huang

Masoud Kamalahmadi
Masoud Kamalahmadi is an assistant professor in the Department of Management Science at the Miami Herbert Business School. His research focuses on the effects of work design (e.g., workload, work schedules, workstations) on operational performance of service workers such as hospital physicians and restaurant servers. He uses a variety of analytical and empirical tools to provide data-driven insights for service managers in the healthcare and restaurant industries. Kamalahmadi has won first place in the 2018 POMS College of Health Care Operations Management Best Paper Competition, and third place in the 2019 INFORMS Service Science Best Paper Award.

Jong Myeong Lim
Jong Myeong Lim is an Assistant Professor in the Department of Management Science and the Department of Health Management and Policy at Miami Herbert Business School. He received his BA in Economics and MPA in Health Policy and Management from New York University, MA in Economics from the University of Texas at Austin, and PhD in Healthcare Management and Economics from the Wharton School of the University of Pennsylvania. His research lies at the intersection of healthcare operations and economics. His work focuses on understanding and developing solutions for key operational challenges faced by healthcare organizations and broader systems, such as capacity management, vertical integration, and payment reforms. He uses a variety of methods in his research, including causal inference, structural estimation, and game theoretic modeling. Prior to his career in academia, he worked as a business analyst at Mount Sinai Health System in New York City.  

Hari Natarajan
Hari Natarajan is a Professor of Management and Vice Dean of Business Programs at the Miami Herbert Business School. Previously, he served as the Academic Director of MHBS’ Global Executive MBA program. He received his undergraduate degree in Engineering from the Indian Institute of Technology, Madras, and MS and Ph.D. degrees (with dual titles in Business Administration and Operations Research) from the Pennsylvania State University’s Smeal College of Business, where he won the Alumni Association Award for his doctoral dissertation.
He is a Senior Editor of the Production and Operations Management Journal. At Miami Herbert Business School, he teaches courses on operations and supply chain management at the undergraduate, graduate, and doctoral levels, and has been recognized for teaching excellence by cohorts of the Executive MBA program and the Professional MBA program.

Arun Sharma
Dr. Arun Sharma is a professor at Miami Herbert Business School, University of Miami, and has been recognized as being in the top 1% of marketing professors. Arun has extensive knowledge of firms through his experience in research, consulting, and conducting seminars. He is a well-known expert in Global Market Trends, Leadership Strategies, Sustainable Competitive Strategies, and Market Strategy, and his expertise is in designing and implementing corporate strategies. He has consulted and conducted seminars for companies such as Accenture, Agilent Technologies, Ambrosetti, American Express, AT&T, Bell South, Citrix, Ericcson, Exxon, Goodyear, HP, IBM, Lucent, Macy’s, MasterCard, Motorola, Siemens, Sprint, Telecom Italia, Telecom Italia Mobil, Visa International, Walmart, and Western Union.
He has previously taught at the University of Illinois at Urbana-Champaign, where he received his Ph.D. in marketing in 1988. Arun also has an MBA and a Bachelor of Engineering degree in Metallurgy. Before joining the academic world, he worked for three years in a high-technology firm where he handled product and sales management responsibilities.
Arun has published extensively (over 100 refereed articles) and is on the review board of major journals, and has received many excellence in research and teaching awards from the Miami Herbert Business School at the University of Miami. He can be contacted at 305.284.1770, Fax: 305.667.2557, and email: asharma@bus.miami.edu.

Cong Shi
Cong (Alex) Shi is an Associate Professor in the Department of Management Science at Miami Herbert Business School. Prior to joining MHBS, he served as an Associate Professor of Industrial and Operations Engineering at the University of Michigan in Ann Arbor from 2012 to 2023. He received his BS in Mathematics from the National University of Singapore in 2007 and his PhD in Operations Research from the Massachusetts Institute of Technology in 2012.
His research centers on designing and analyzing efficient and near-optimal algorithms for business operations, with main application areas encompassing supply chain management, revenue management, healthcare operations, and human-robot interactions. His research has received numerous accolades, including recognition from the INFORMS George Nicholson Paper Competition, INFORMS JFIG Paper Competition, Amazon Research Award, and Boeing Research Award. He also holds the position of Associate Editor for leading business school journals such as Management Science (MS) and Production and Operations Management (POM).

Wei Shi
Wei Shi is a Professor of Management and Cesarano Faculty Scholar at Miami Herbert Business School, University of Miami. He obtained his MBA from Tulane University and PhD in business administration from Rice University. His primary research interest focuses on the influence of corporate governance actors and upper echelons on strategic decisions. He has taught courses on strategic management, corporate strategy, strategic governance, and corporate governance. He co-authored the book entitled “Understand and managing strategic governance.” His research has been published at outlets such as Administrative Science Quarterly, Academy of Management Journal, Strategic Management Journal, Organization Science, Journal of Management, Journal of Management Studies, and Production and Operations Management, and covered by Harvard Business Review and the Wall Street Journal. He is an associate editor of Journal of Management and sits on the editorial boards of Strategic Management Journal, Organization Science, Journal of International Business Studies, and Global Strategy Journal. He is a former board member of the International Corporate Governance Society and currently serves as an advisor to VeriStell Institute. 

Xu Sun
Xu Sun is an Assistant Professor in the Department of Management Science at Miami Herbert Business School. Prior to that, he served as an Assistant Professor in the Herbert Wertheim College of Engineering at the University of Florida from 2019 to 2023. He received his BS in Applied Mathematics from Dalian University of Technology in 2010, his MS in Probability and Statistics from Zhejiang University in 2012, and his PhD in Operations Research from Columbia University in 2019.
His research focuses on the modeling, analysis, and control of dynamic systems, with a wide range of applications spanning call center operations, smart manufacturing, dynamic pricing, and energy systems. Currently, he takes an interest in developing algorithms for online decision-making, drawing upon applied probability and modern optimization techniques. The central theme is to craft algorithms that not only offer strong theoretical guarantees but are also simple, intuitive, and thus practical for real-world implementation. His research findings were published in top academic journals, including Manufacturing and Service Operations Management, Operations Research, Mathematics of Operations Research, and so on. He was a finalist in the Best Student Paper Competition in the INFORMS Finance Section in 2017 and is a recent recipient of the Travel Award from the Institute for Mathematics and its Applications.

Sammi Yu Tang
Sammi Tang is an Associate Professor of Operations and Supply Chain Management at Miami Herbert Business School. Her research addresses issues related to managing supply chain risks using operational measures such as inventory, supplier diversification, and operational flexibility, as well as using financial measures such as insurance and financial subsidies. Her research has appeared in top journals such as Manufacturing & Service Operations Management, Production and Operations Management, and other high-quality journals such as Decision Sciences, and OMEGA, The International Journal of Management Science, and has been supported by the Boeing Center for Supply Chain Innovation at Washington University, the James W. McLamore Research Award, and the Provost Research Award at the University of Miami. She has worked with organizations such as Monsanto and the University of Miami Health System. Sammi serves as a Senior Editor for the Production and Operations Management Journal and is a member of INFORMS, the Production and Operations Management Society, and the Manufacturing & Service Operations Management Society. Sammi received her B.S. from Peking University, China, and MSBA and Ph.D. from Washington University in St. Louis.

Ganggang Xu
Ganggang Xu is an Assistant Professor in the Department of Management Science at Miami Herbert Business School. Prior to that, he served as an Assistant Professor in the Department of Mathematical Sciences at Binghamton University, State University of New York, from 2014 to 2018. He received his BS in Statistics from Zhejiang University in 2006, and his PhD in Statistics from Texas A&M University in 2011.
His research focuses on the non-/semi-parametric regression, functional data analysis, spatial/temporal point process, and times series on the network. His work has been published in top academic journals, including the Journal of the American Statistical Association, Journal of Machine Learning Research, Annals of Statistics, Biometrika, Journal of Econometrics, etc.

Yishen Cai
Yishen Cai is a Ph.D. student in Operations Management at Miami Herbert Business School.

Xinxiu Wang
Xinxiu Wang is a Ph.D. student in Operations Management at Miami Herbert Business School.