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Tepper School Faculty Directory



Carnegie Mellon: Tepper School of Business

Alan Andrew Scheller-Wolf

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Professor of Operations Management; Head, Ph.D. Program

Education:
  • Stanford University - B.A. - 1989
  • Stanford University - B.S. - 1989
  • Columbia University - M.S. - 1994
  • Columbia University - M. Phil. - 1996
  • Columbia University - Ph.D. - 1996
Areas of Expertise:
  • Manufacturing & Operations Management
Teaching and Research Interests:
  • Theory: Stochastic processes and queueing theory, especially with multiple servers; inventory theory; supply chain management; stochastic dynamic programming sustainable operations. Applications: In-game advertising, product portfolio optimization, health care, energy, spare parts management, life-cycle analysis, perishable goods, computer science, especially related to resource allocation, task assignment and scheduling.
Published Papers: 
  • Strategic Analysis of Technology and Capacity Investments in the Lique fied Natural Gas Industry
    European Journal of Operational Research 226, 2013; 100-114.
    (with: Erkut Sonmez, Sunder Kekre, Nicola Secomandi)

  • A Large U.S. Retailer Selects Transportation Carriers under Diesel Price Uncertainty
    Interfaces, 2012.
    (with: Soo-Haeng Cho, J. Turner, B. Peterson, Sunder Kekre)

  • Valuation of Storage at a Liquefied Natural Gas Terminal
    Operations Research 59, 2011; 602-616.
    (with: Mulan Wang, Sunder Kekre, Nicola Secomandi)

  • Interaction between Technology and Extraction Scaling Real Options in Natural Gas Production
    IIE Transactions 42, 2010; 643 - 655.
    (with: Paul Enders, Nicola Secomandi)

  • Scheduling of Dynamic In-Game Advertising
    Operations Research.
    (with: Sridhar Tayur, J. Turner)

  • Push or Pull? Auctioning Supply Contracts
    Production & Operations Management, To Appear.
    (with: Cuihong Li)

  • Managing Inventories of Perishable Goods: The Effect of Substitution
    Manufacturing & Operations Service Management, To Appear.
    (with: Itir Karaesmen, Borga Deniz)

  • Surprising Results on Task Assignment in Server Farms with High-Variability Workloads.
    Proceedings of ACM Sigmetrics 2009 Conference on Measurement and Modeling of Computer Systems (Sigmetrics '09) Seattle, WA, To Appear.
    (with: Mor Harchol-Balter, A. Young)

  • Supply Chain Management of Perishable Goods: A Review
    Handbook of Production Planning, To Appear.
    (with: Itir Karaesmen, Borga Deniz)

  • Assessing the Impact of RFID on Return Center Logistics
    Interfaces 37(6), 2007; 501-514.
    (with: Nishtha Langer, Christopher Forman, Sunder Kekre)

  • Structural Interpretation & Derivation of Necessary & Sufficient Conditions for Delay Moments in FIFO Multiserver Queues
    Queueing Systems 54(3), 2007; 221-232.
    (with: Rein Vesilo)

  • Optimal Control of Serial, Multi-Echelon Inventory/Production Systems with Periodic Batching
    Operations Research 55(4), 2007; 674-687.
    (with: Geert-Jan van Houtum, Jinxin Yi)

  • Building Efficient Product Portfolios at John Deere
    Operations Research.
    (with: Tallys Yunes, Dominic Napolitano, Sridhar Tayur)

  • Structural Interpretation and Derivation of Necessary and Sufficient Conditions for Delay Moments in FIFO Multiserver Queues.
    Queuing Systems 54(3), 2006; 221-232.
    (with: Rein Vesilo)

  • Fundamental Characteristics of Queues with Fluctuating Load
    Proceedings of ACM Sigmetrics (Sigmetrics '06) 203-215, 2006.
    (with: V. Gupta)

  • How Many Servers are Best in a Dual-Priority M/PH/k System?
    Performance Evaluation 63(12), 2006; 1253-1272.
    (with: A Wierman, T Osogami, Mor Harchol-Balter)

  • Now or Later: A Simple Policy for Effective Dual Sourcing in Capacitated Systems
    Operations Research 56(4), 2006; 850-864.
    (with: Senthil Veeraraghavan)

  • Cycle Stealing with Switching Times and Thresholds
    Performance Evaluation 61(4), 2005; 347-369.
    (with: Mor Harchol-Balter, T Osogami, A Wierman)

  • Multi-server Queueing Systems with Multiple Priority Classes
    Queueing Systems, 2005; 331-360.
    (with: Mor Harchol-Balter, T Osogami, A Wierman)

  • Exploring Threshold-base Policies for Load Sharing
    Forty-second Annual Allerton Conference on Communication, Control, and Computing , University of Illinois, Urbana-Champaign, 2004; 1012-1021.
    (with: T Osogami, Mor Harchol-Balter, Li Zhang)

  • Necessary and Sufficient Conditions for Delay Moments in FIFO Multiserver Queues: Why s Slow Servers are Better than One Fast Server for Heavy-Tailed Systems
    Operations Research 51(5), 2003; 748-758.

  • Vehicle Routing with Time Windows and Time-Dependent Rewards: A Problem from the American Red Cross
    Manufacturing and Service Operations Management 5(1), 2003; 74-77.
    (with: Jinxin Yi)

  • Analysis of Cycle Stealing with Switching Cost
    Proceedings of ACM Sigmetrics 2003 Conference on Measurement and Modeling of Computer Systems (Sigmetrics ’03). San Diego, CA, 2003; 184-195.
    (with: T Osogami, Mor Harchol-Balter)

  • Cycle Stealing under Immediate Dispatch Task Assignment
    Fifteenth ACM Annual Symposium on Parallel Algorithms and Architecture (SPAA ’03), San Diego, CA, 2003; 274-285.
    (with: Mor Harchol-Balter, Cuihong Li, T Osogami, M Squillante)

  • Task Assignment with Cycle Stealing under Central Queue
    23rd International Conference on Distributed Computing Systems (ICDCS '03), Providence, RI, 2003; 628-639.
    (with: Mor Harchol-Balter, Cuihong Li, T Osogami, M Squillante)

  • Design of a Multi-unit Double Auction E-Market
    Computational Intelligence 18(4), 2002; 596-617.
    (with: Pu Huang, Katia Sycara)

  • Development of a Rapid-Response Supply Chain at Caterpillar
    Operations Research, 2000.
    (with: Uday Rao, Sridhar Tayur)

  • Further Delay Moment Results for FIFO Multiserver Queues
    Queueing Systems 34, 2000; 387-400.

  • Capacitated Inventory Problems with Fixed Order Costs: Some Optimal Policy Structure
    European Journal of Operational Research 126, 2000; 603-613.
    (with: G. Gallego)

  • Delay Moments for FIFO GI/GI/c Queues
    Queueing Systems 25, 1997; 77-95.
    (with: K. Sigman)

  • New Bounds for Expected Delay in GI/GI/c Queues
    Queueing Systems 26, 1997; 169-186.
    (with: K. Sigman)

  • Moments in Tandem Queues
    Operations Research 46, 1996; 378-380.
    (with: K. Sigman)

Working Papers: 
Awards:
  • BP Research Chair - 1999-2000
Editorial Boards:
  • Associate Editor (Surveys in ORMS)
  • Mathematical Methods of Operations Research (Associate Editor), 2008-present
  • Operations Research (Associate Editor), 2006-present
  • Management Science (Associate Editor), 2004-2006, 2009-present
  • M&SOM (Editorial Board), 2002-2005, 2008-present
Consulting:
  • American Red Cross
  • Caterpillar Inc.
  • Behavior Health Metrix
  • John Deere & Company
  • SmartOps
  • Air Products International
  • Massive Incorporated
Courses Taught:
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