Jennifer K. Ryan

Jennifer K. Ryan is a Professor of Supply Chain Management and Analytics in the College of Business at the University of Nebraska. Dr. Ryan holds a Ph.D. and M.S. in Industrial Engineering and Management Sciences from Northwestern University and a B.A. in Mathematics and the Social Sciences from Dartmouth College. She conducts research in inventory management, supply chain management and procurement.

Dr. Ryan's research has been published in Management Science, Operations Research, Manufacturing & Service Operations Management, Production and Operations Management, Naval Research Logistics, Decision Sciences and IIE Transactions. She is the recipient of several National Science Foundation (NSF) grants, including an NSF CAREER grant. She currently serves as a Department Editor for IIE Transactions and as an Associate Editor for Naval Research Logistics.

Prior to joining UNL, Dr. Ryan served as a faculty member in the Department of Industrial and Systems Engineering at Rensselaer Polytechnic Institute, the School of Business at University College Dublin (Ireland), the Mendoza College of Business at the University of Notre Dame and in the School of Industrial Engineering at Purdue University.

Selected Publications/Articles

• Batur, D., J.K. Ryan, M.C. Vuran and Z. Zhao, “Dynamic Pricing of Wireless Internet Based on Usage and Stochastically Changing Capacity”. Manufacturing & Service Operations Management. DOI:10.1287/msom.2018.0727 (2019).
• Basten, R.J.I. and J.K. Ryan, “The value of maintenance delay flexibility for improved spare parts inventory management”. European Journal of Operational Research. Vol. 278, No. 2 (2019), p. 646-657.
• Li, Z., J.K. Ryan, L. Shao and D. Sun, “Incentive-Compatible in Dominant Strategies Mechanism Design for an Assembler under Asymmetric Information”. Production & Operations Management. Vol. 28, No. 2 (2019), p. 479-496.
• Li, R., J.K. Ryan and Z. Zeng, “Coordination in a Single-supplier, Multiple-retailer Distribution System: Supplier Facilitated Transshipments”. Production & Operations Management. Vol. 26, No. 5 (2017), p. 784-801.
• Li, Z., J.K. Ryan and D. Sun, “Selling through outlets: The impact of quality, product development risk, and market awareness”. International Journal of Production Economics. Vol. 186 (2017), p. 71-80. 
• Jin, Y. and J.K. Ryan, “Can Contracts Replace Qualification in a Sourcing Process with Competitive Suppliers and Imperfect Information?” IEEE Transactions on Engineering Management. Vol. 63 (2016), p. 283-295.
• Hargaden, V. and J.K. Ryan, “Resource Planning in Engineering Services Firms”. IEEE Transactions on Engineering Management. Vol. 62 (2015), p. 578-590. 
• Li, E., J.K. Ryan, L. Shao and D. Sun, “Supply Contract Design for Competing Heterogeneous Suppliers under Asymmetric Information”. Production and Operations Management. 24 (2015), p. 791-807. 
• Li, E., J.K. Ryan and D. Sun, “Multi-Attribute Procurement Contracts”. International Journal of Production Economics. 159 (2015), p. 137-146. 
• Jin, Y., J.K. Ryan and W. Yund, “Sourcing Decisions with Competitive Suppliers and Imperfect Information”. Decision Sciences. Vol. 45 (2014), p. 229-254.
• Jin, Y., J.K. Ryan and W. Yund, “Two Stage Procurement Processes with Competitive Suppliers and Uncertain Supplier Quality”. IEEE Transactions on Engineering Management. Vol. 61 (2014), p. 147-158. 
• Ryan, J.K., D. Sun, X. Zhao, “Coordinating a Supply Chain with a Manufacturer-Owned Online Channel: A Dual Channel Model under Price Competition”. IEEE Transactions on Engineering Management. 60 (2013), p. 247-259. 
• Ryan, J.K., D. Sun, X. Zhao, “Competition and Coordination in Online Marketplaces”. Production and Operations Management. 21 (2012), p. 997-1014. 
• Li, R. and J.K. Ryan, “Inventory Flexibility through Adjustment Contracts”. International Journal of Production Research. 50 (2012), p. 1955-1978.
• Jin, Y. and J.K. Ryan, “Price and Service Competition in an Outsourced Supply Chain”. Production and Operations Management. 21 (2012), p. 331-344.
• Li, R. and J.K. Ryan, “A Bayesian Inventory Model Using Real-Time Condition Monitoring Information”. Production and Operations Management. 20 (2011), p. 754-771.
• Bauman, J., M. Lawley, A. Mishra, J.K. Ryan, J. Tew and P. Wu, “Evaluating the Performance of Cross-Docks: A Data Envelopment Analysis Based Approach”. International Journal of Operations and Quantitative Management, Vol. 16 (2010), p. 23-42.
• Zhao, H., J.K. Ryan and V. Deshpande, “Optimal Dynamic Production and Inventory Transshipment Policies for a Two-Location Make-to-Stock System”. Operations Research, 56 (2008), p. 400-410. 
• Sun, D., J.K. Ryan and H. Shin, “Why Do We Observe Stockless Operations on the Internet? Stockless Operations under Competition”. Production and Operations Management, 17 (2008), p. 139-149. 
• Zhao, H., V. Deshpande, and J.K. Ryan, “Emergency Transshipments in Decentralized Dealer Networks: When to Send and Accept Transshipment Requests”. Naval Research Logistics, 53 (2006), p. 547-567. 
• Zhao, H., V. Deshpande, and J.K. Ryan, “Inventory Sharing and Rationing in Decentralized Dealer Networks”. Management Science, 51 (2005), p.531-547. 
• Gebraeel, N., M. Lawley, R. Li, and J.K. Ryan, “Residual Life Distributions from Component Degradation Signals: A Bayesian Approach”. IIE Transactions, 37 (2005), p. 543-557. 
• Kim, H.K. and J.K. Ryan, “The Cost Impact of Using Simple Forecasting Techniques in a Supply Chain”. Naval Research Logistics, 50 (2003), p. 388-411. 
• Gallego, G., J.K. Ryan, and D. Simchi-Levi, “Minimax Analysis for Finite Horizon Inventory Models”. IIE Transactions, 33 (2001), p. 861-874. 
• Chen, F., Z. Drezner, J.K. Ryan, and D. Simchi-Levi, “Quantifying the Bullwhip Effect: The Impact of Forecasting, Lead Times and Information”. Management Science, 46 (2000), p. 436-443. 
• Chen, F., J.K. Ryan, and D. Simchi-Levi, “Exponential Smoothing Forecasts and the Bullwhip Effect”. Naval Research Logistics, 47 (2000), p. 269-286.

Working Papers

• Li, Z., Lu, S., J.K. Ryan, and D. Sun, “Equity-Based Incentives and Development Strategies for Start-up Companies”. First revision submitted to Production and Operations Management.
• Shao, L., J.K. Ryan, and D. Sun, “Responsible Sourcing under Asymmetric Information: Price Signaling vs. Supplier Disclosure”. Submitted to Decision Sciences.
• Li, Z., C. Qian, J.K. Ryan, and D. Sun, “Robust Mechanism Design and Production Structure for Assembly Systems with Asymmetric Information.” Submitted to Operations Research.
• Shao, L., J.K. Ryan, and D. Sun, “Cooperative and Non-cooperative Games for Capacity Subcontracting.” Submitted to Manufacturing and Service Operations Management.
• Yayla-Kullu, M., J.K. Ryan and J. Swaminathan, “Product Line Design and Capacity Management: The Role of Purchasing Behavior Uncertainty”. In preparation for submission.
• Jin, Y., J.K. Ryan, T. Saber and A. Ventresque, “Cloud Service Consolidation with Minimal Interference.” In preparation for submission.

Grants and Research Awards

• SpecEES: CoSeC-RAN: Cognitive Secure Cloud RAN for Efficient Spectrum Sharing, NSF, M.C. Vuran (UNL PI), E. Ekici (OSU PI), D. Batur, Q. Yan, J.K. Ryan (UNL co-PIs), Oct 2017–Sept 2020, $600,000 ($435,399 UNL portion), Grant number: CNS-1731833.
• GOALI: Improved Spare Parts Inventory Management in Aircraft Engines through Hybrid Sensing, NSF, J.K. Ryan (UNL PI), A. Muriel (UMass PI), R. Gao (UConn PI), R. Tomastik (Pratt & Whitney co-PI), June 2013–May 2018, $150,000, Grant number: CMMI-1300968.
• Center for Automation Technologies and Systems (CATS): Advanced Production Scheduling and Optimization in the Microelectronics Industry, GLOBALFOUNDRIES, J.K. Ryan (PI), T. Sharkey (co-PI), June 2010–Aug 2014, $90,000.
• Bayesian Inventory and Replacement Models Using Real-Time Condition Monitoring Information, NSF, J.K. Ryan (PI), Mar 2009–Mar 2012, $188,171, Grant number: CMMI-0856379.
• CAREER: Coordination Issues in Retail Operations Management, NSF, J.K. Ryan (PI), Feb 2001–Feb 2006, $375,000, Grant number: CMMI-0092482.
• Scalable Enterprises: Supply Chain Optimization and Protocol Environment (SCOPE): A Rapid Prototyping and Modeling Tool for Extended Enterprises, NSF, Reha Uzsoy (PI), J.K. Ryan, R. Rardin, P. Preckel, J. Pekney and A. Iyer (co-PIs), Aug 2001–July 2004, $621,908, Grant number: CMMI-0122207.
• General Motors Research and Development Center: Development of a Statistical Methodology for Performance Evaluation of Cross-docking Centers in General Motors, Distribution and Supply Chain Analysis Group, Enterprise System Labs, General Motors, J.K. Ryan (PI) and M.A. Lawley (PI), July 2001–July 2002, $95,544.
• Supply Chain Optimization and Protocol Environment (SCOPE): A Modeling Environment for Extended Enterprises, NSF, R. Uzsoy (PI), J.K. Ryan, R. Rardin, P. Preckel, J. Pekney and A. Iyer (co-PIs), Sept 2000–Aug 2001, $200,000, Grant number: CMMI-0075606.
• Quantifying the Impact of Demand Data and Demand Forecasting on Costs in a Supply Chain, NSF, J.K. Ryan (PI), Sept 1998-Aug 2001, $101,392, Grant number: CMMI-9872483.

Undergraduate Courses

Lean Supply Chain Operations (SCMA 434) - Spring Semester 2018, 2019 and 2020.

Supply Chain Logistics Management (SCMA 444) - Fall Semester 2015 and 2016.

Operations and Supply Chain Management (SCMA 331) - Spring Semester 2016.

Journal Editorial Service

• Department Editor, IISE Transactions, 2014 -present.
• Associate Editor, IISE Transactions, 2001 - present.
• Associate Editor, Naval Research Logistics, 2002 - present.
• Associate Editor, OMEGA, 2011-2016.
• Editorial Review Board, IEEE Transactions on Engineering Management, 2013-2017.

External Service

• Conference Organizing and Conference Committees
  • Co-chair (with Sila Çetinkaya), 2015 Industrial and Systems Engineering Research Conference (ISERC), part of the part of the IIE Annual Conference and Expo, the flagship conference of the Institute of Industrial Engineers
  • Member of the organizing committee and session co-chair for session on supply chain management, 2006 National Academy of Engineering “Frontiers of Engineering” Conference, September 21-23, 2006, Dearborn, MI
  • Member of the scientific committee, European Operations Management Association (EurOMA) Conference, June 7-12, 2013, Dublin, Ireland.

• Other Professional Service Activities
  • Co-chair, 2019 INFORMS Junior Faculty Interest Group (JFIG) Paper Competition
  • Chair, Award Committee for 2013 Kuhn Award (awarded to the best paper published in Naval Research Logistics during past 3 years)
  • Member of the selection committee for Editor-in-Chief, IIE Transactions,
  • Member (judge), Award Committee for 2009 Kuhn Award (awarded to the best paper published in Naval Research Logistics during past 3 years)
  • Session chair, Inventory Management, CORS-INFORMS International Meeting, June 2009, Toronto, Canada.
  • Judge, Production and Operations Management Society (POMS) College of Supply Chain Management, 2008 Student Paper Competition
  • Judge, Manufacturing & Services Operations Management (MSOM), 2001 Student Paper Competition
  • Judge, Student Poster Competition, INFORMS National Meeting, November 2014, San Francisco, CA

Institutional Service

• Search Advisory Committee for Executive Vice Chancellor for Academic Affairs, member, Summer and Fall 2019, University of Nebraska – Lincoln
• Strategic Planning Working Group, member, and Scholarship and Research Taskforce, co-chair, Spring 2018, College of Business, University of Nebraska – Lincoln
• Search Advisory Committee for College of Business Dean, member, Summer and Fall 2017, University of Nebraska – Lincoln

Awards

• Best Paper Award in the Supply Chain and Logistics Track of the Industrial and Systems Engineering Research Conference (ISERC), Nashville, TN, May 2015. Paper titled “Condition-based Inventory Management with Planned and Unplanned Maintenance.”
• Best Paper Award in the Quality Control and Reliability Engineering Track of the Industrial and Systems Engineering Research Conference (ISERC), Nashville, TN, May 2015. Paper titled “Real-time Condition-monitoring: The Impact of Bayesian Updating on Failure-time Distribution.”
• Finalist, Best Paper Award, Service Science Section of the Institute for Operations Research and the Management Sciences (INFORMS), San Francisco, CA, November 9-12, 2014. Paper titled “Impact of Economic Uncertainty on Product Line Design and Capacity Management.”
• Finalist, Best Paper Award, 2014 Annual Meeting of the Decision Sciences Institute (DSI), November 22-25, 2014. Paper titled “Economic Uncertainty and Product Line Design.”
• Finalist, Best Paper Award in the Supply Chain and Logistics track of Industrial and Service Engineering Research Conference (ISERC), Orlando, FL, May 2012. Paper titled “Supply Chain coordination with Supplier-facilitated Transshipments.”
• Best Paper Award, eBusiness Section of the Institute for Operations Research and the Management Sciences (INFORMS), San Diego, CA, October 11-14, 2009. Paper titled “Coordinating a Supply Chain with a Manufacturer-Owned Online Channel: A Dual Channel Model under Price Competition.”
• James H. Greene Outstanding Graduate Educator Award, 2^nd place, School of Industrial Engineering, Purdue University, 2001.
• Alan B. Pritsker Outstanding Undergraduate Teaching Award, 1^st place, School of Industrial Engineering, Purdue University, 2000.
• Alan B. Pritsker Outstanding Undergraduate Teaching Award, 2^nd place, School of Industrial Engineering, Purdue University, 1999.