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Faculty and Staff

Faculty and Staff 2018-01-23T16:36:39+00:00

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Toyin A. Clottey

Title: Associate Professor of Supply Chain Management
Department: Supply Chain Management

Office: 3258 Gerdin Business Building
Phone number: (515) 294-8198

Academic History

  • PhD, Operations Management, The Ohio State University, 2010
  • MS, Statistics, The Ohio State University, 2006
  • BA, Computer Science and Statistics, The University of Ghana-Legon, 2001


  • Sustainability
  • Supply management for closed-loop supply chains
  • Supply forecasting
  • Empirical research methods


IIE Transactions Focused Issue on Design and Manufacturing Best Paper award for "Determining Core Acquisition Quantities when Products have Long Return Lags" 2016

Selected Publications

  • Clottey, T. (2016) "Development and Evaluation of a Rolling Horizon Purchasing Policy for Cores", International Journal of Production Research, 54 (9):2780-2790.
  • Clottey T. and W.C. Benton (2014) "Determining Core Acquisition Quantities when Products have Long Return Lags", IIE Transactions, 46 (9):880-893.
  • Clottey T. and S. Grawe (2014) "Non-response Bias Assessment in Logistics Survey Research: Use Fewer Tests?", International Journal of Physical Distribution and Logistics Management, 44 (5):412-425.
  • Clottey T. and W.C. Benton (2013) "Guidelines for Improving the Power Values of Statistical Tests for Non-response Bias Assessment in OM Research", Decision Sciences, 44 (4):797-812.
  • Clottey, T., W.C. Benton, and R. Srivastava (2012) "Forecasting Product Returns for Remanufacturing Operations", Decision Sciences, 43 (4):589-614.