Michael Hewitt

Title/s:  Professor

Office #:  Schreiber 419

Phone: 312.915.7394

Email: mhewitt3@luc.edu


Dr. Hewitt is a professor of supply chain management in the Quinlan School of Business at Loyola University Chicago where he also holds the Ralph Marotta Endowed Chair of Free Enterprise. He also serves as the faculty director of its Supply Chain and Sustainability Center and executive director of the Loyola Business Leadership Hub.

He has published more than fifty articles documenting his research in journals such as INFORMS Journal on Computing, Operations Research, and Transportation Science. He has collaborated on research projects with individuals at universities around the world, including multiple visiting appointments.

His work has won multiple prizes and assisted the decision-making of companies such as Bayer Crop Science, Exxon Mobil, Saia Motor Freight, Schneider, and Yellow Roadway. His research has been funded by agencies such as the National Science Foundation, the Material Handling Institute, and the New York State Health Foundation.

He actively supports his profession through leadership roles in his professional society and serving on editorial boards at academic journals. Before entering the PhD program at Georgia Tech, Dr. Hewitt worked as a software engineer, contributing to the development of software to support consumer set-top boxes and LED signs in mass transit stations.

Professional Links

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  • PhD, Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, GA, August 2009
  • MS, Financial Engineering, University of Michigan, Ann Arbor, MI, May 1998
  • MS, Industrial Engineering, University of Michigan, Ann Arbor, MI, May 1997
  • BS, Mathematics & Economics, University of Michigan, Ann Arbor, MI, May 1995

Professional Employment

  • Assistant Professor, Rochester Institute of Technology, 2009-13

Research Interests

  • Supply Chain
  • Optimization and Analytics
  • Freight Transportation

Professional & Community Affiliations

  • INFORMS Transportation Science and Logistics Society (past president)

Courses Taught

  • Intro to Supply Chain Management
  • Supply Chain Modeling
  • Freight Transportation
  • Inventory Management


  • CSoNet Best Paper Award 2023 for “Solving Time-Dependent Traveling Salesman Problem with Time Windows under Generic Time-Dependent Travel Cost”
  • INFORMS TSL Freight Transportation & Logistics SIG Best Paper Award 2021 for “A Dynamic Discretization Approach for Time-dependent Traveling Salesman with Time Windows Problems”
  • Glover-Klingman Prize for best paper published in Networks in 2019 for “An Exact Bi-Directional A* for Resource Constrained Shortest Path Problems”
  • INFORMS TSL Best Paper Award 2018 for “The Continuous Time Service Network Design Problem”
  • Loyola Faculty Researcher of the Year, 2015

Selected Publications

Hewitt, M., (2021) “The Flexible Scheduled Service Network Design Problem.” Transportation Science:56(4):1000-1021. DOI: https://doi.org/10.1287/trsc.2021.1114
Hewitt, M., (2019) “Enhanced Dynamic Discretization Discovery for the Continuous Time Load Plan Design Problem.” Transportation Science 53(6):1731-1750. DOI: https://doi.org/10.1287/trsc.2019.0890
Boland, N., Hewitt, M., *Marshall, L., Savelsbergh, M.W.P., (2017) “The Continuous Time Service Network Design Problem.” Operations Research, 65(5):1303-1321. DOI: https://doi.org/10.1287/opre.2017.1624
Hewitt, M., Nemhauser, G.L., Savelsbergh, M.W.P., (2010) “Combining Exact and Heuristic Approaches for the Capacitated Fixed Charge Network Flow Problem,” INFORMS Journal on Computing, 22(2):314-325. DOI: https://doi.org/10.1287/ijoc.1090.0348
Crainic, T.G., Hewitt, M., Maggioni, F., Rei, W., (2020) “Partial Benders Decomposition: General Methodology and Application to Stochastic Network Design.” Transportation Science 55(2): 414-435. DOI: https://doi.org/10.1287/trsc.2020.1022