Jennifer K. Ryan

Address and Phone Numbers

TEL: (765) 494-7523
FAX: (765) 496-1299
Email: jkryan@ecn.purdue.edu
Resume: Postscript Version

Education

M.S. (June 1995), Industrial Engineering and Management Sciences, Northwestern University, Evanston, IL.

B.A. (June 1990), Magna Cum Laude, Mathematics and the Social Sciences, Dartmouth College, Hanover, NH.

Professional Experience

• Teaching:

  Professor, Stochastic Models for Inventory and Supply Chain Management, School of Industrial Engineering, Purdue University (Fall 1998 - Present).

  Professor, Engineering Economic Analysis, School of Industrial Engineering, Purdue University (Fall 1999 - Present).

  Professor, Probability and Statistics in Engineering, School of Industrial Engineering, Purdue University (Fall 1997 - Spring 1999).

  Coordinator, Undergraduate Honors Program, School of Industrial Engineering, Purdue University (Fall 1997 - Present).

  Instructor, Economics for Engineering, Department of Industrial Engineering and Management Sciences, Northwestern University (Summer 1994).

  Teaching Assistant, Department of Industrial Engineering and Management Sciences, Northwestern University (September 1993 - June 1997).

• Consulting:

  Consultant, Sears, Roebuck and Co., Hoffman Estates, IL (June - October 1996).

  Consultant, Tucker Alan Inc., Chicago, IL (March 1995 - October 1995).

  Research Assistant, Center for Health Care Policy and Research, American Medical Association, Chicago, IL (June 1993 - September 1993).

  Consultant, Lewin-VHI, Fairfax, VA (August 1990 - August 1992).

Dissertation, Publications and Research Interests

Dissertation:

• "Analysis of Inventory Models with Limited Demand Information". Advisor: David Simchi-Levi.

Publications:

• Gallego, G., J. Ryan, and D. Simchi-Levi, Minimax Analysis of the Discrete Finite Horizon Inventory Model. To appear in IIE Transactions. Postscript Version

• Chen, F., Z. Drezner, J. Ryan, and D. Simchi-Levi, The Bullwhip Effect: Managerial Insights on the Impact of Forecasting and Information on Variability in the Supply Chain. Chapter to appear in the book Advances in Quantitative Modeling for Supply Chain Management, M. Magazine, R. Ganesham and S. Tayur (Kluwer, 1998).

• Drezner, Z., J. Ryan, and D. Simchi-Levi, Quantifying the Bullwhip Effect: The Impact of Forecasting, Lead Times and Information. To appear in Management Science. Postscript Version

• Chen, F., J. Ryan, and D. Simchi-Levi, Exponential Smoothing Forecasts and the Bullwhip Effect. To appear in Naval Research Logistics. Postscript Version

• Aydin, G. and J. Ryan, Product Line Selection with Stochastic Utility. Submitted for publication. Postscript Version and PDF Version

Research Interests:

• Inventory Management
• Supply Chain Management
• The Value of Information and Coordination in Supply Chain Management
• Statistics and Decision Analysis

Other Interests:

• Health Care Systems
• Public Policy
• Public Sector Applications of OR