Rouba Ibrahim received her Ph.D. from the IEOR Department at Columbia in 2010. She completed postdoctoral fellowships with Pierre L'Ecuyer at the University of Montreal in 2010-20111 and in the CREATE program at McGill University with Vedat Verter in 2011-2012. She is a tenured member of the faculty of University College London (UCL) School of Management

Here are our completed papers:

1. Real-Time Delay Estimation Based on Delay History. Manufacturing and Service Operations Management, vol. 11, No. 3, Summer 2009, pp. 397-415. [PDF].
   • Journal Online Appendix to "Real-Time Delay Estimation Based on Delay History." Supporting material for paper above maintained on journal web page. [PDF].
   • Supplement to "Real-Time Delay Estimation Based on Delay History." Supporting material for paper above. [PDF].
2. Real-Time Delay Estimation in Overloaded Multiserver Queues with Abandonment. Management Science, vol. 55, No. 10, October 2009, pp. 1729-1742. [PDF].
   • e-Companion to Real-Time Delay Estimation in Overloaded Multiserver Queues with Abandonment. Management Science, 15 pages. [PDF].
   • Supplement to "Real-Time Delay Estimation in Overloaded Multiserver Queues with Abandonment" Supporting material for paper above. [PDF].
3. Real-Time Delay Estimation in Call Centers. Proceedings of the 2008 Winter Simulation Conference, Miami, Fl., December 7-10, 2008, S. J. Mason, R. R. Hill, L. Moench, O. Rose (editors), vol. I, 2009, pp. 2876-2883. [PDF].
4. Real-Time Delay Estimation Based on Delay History in Many-Server Queues with Time-Varying Arrivals. Production and Operations Management, vol. 20, No. 5, September-October 2011, pp. 654-667. [PDF].
5. Delay Predictors for Customer Service Systems with Time-Varying Parameters. Proceedings of 2010 Winter Simulation Conference}, December 2010 . [PDF].
6. Wait-Time Predictors for Customer Service Systems with Time-Varying Demand and Capacity. Operations Research, vol. 59, September-October 2011, pp. 1106-1118. [PDF]