Research with Students

  1. Itai Gurvich (2008): at Cornell Tech, New York City and at Cornell SORIE, Ithaca

    Itai received his PhD degree from Columbia University in May 2008 and joined the Kellogg School of Management at Northwestern University in the following summer. He joined Cornell Tech in 2016 after spending eight years at Kellogg. Itai was in the doctoral program in the Division of Decision, Risk and Operations in the Graduate School of Business at Columbia University, starting in 2004.

    While I served as Itay's principal dissertation advisor, Itay was also co-advised, and wrote papers with, Mor Armony from NYU and Costis Maglaras and Assaf Zeevi in the Division of Decision, Risk and Operations in the Graduate School of Business at Columbia University. Before coming to Columbia, Itai completed a masters degree at the Technion in Haifa, Israel, writing a thesis with Avishai Mandelbaum. In November 2006 Itay won the Manufacturing and Services Operations Management (MSOM) student paper competition for his work with Mor Armony on cross selling and its effect on call center performance.

    Here are our completed papers:

  2. Rouba Ibrahim (2010)) at the UCL School of Management.

    Rouba 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 on the faculty of University College London (UCL) School of Management

    Here are our completed papers (and supplements):

  3. Song-Hee Kim (2014) at Marshall School of Business, USC

    Song-Hee (also known as Hailey) completed her doctoral studies at Columbia in 2014. After spending a year as a Postdoctoral Associate in Operations Management, at the Yale School of Managment, she joined Marshall School of Business at USC. At Columbia Song-Hee focused on service systems with special attention to healthcare operations management. She was co-advised by Carri Chan and Marcelo Olivares from the Decision, Risk and Operations (DRO) Division of the Columbia Business School.

    Here are our completed papers:

  4. Yunan Liu (2011) at North Carolina State University (NCSU)

    Yunan completed his thesis defense in July 2011 and joined the faculty of the Department of Industrial Engineering at the North Carolina State University in Raleigh in August 2011, where has been ever since.

    Here are our completed papers:

    Here are slides from talks based on our work.

  5. Ni Ma (??) at Columbia IEOR

    Ni Ma entered the IEOR PhD program in 2013 after receiving her MSFE degree from the Columbia masters program in financial engineering (MSFE).

  6. Guodong (Gordon) Pang (2010) at Penn State and personal

    Guodong received his Ph.D. form the IEOR Department at Columbia in 2010. Guodong joined the faculty of the Department of industrial Engineering at the Pennsylvania State University in August 2010 and has been there ever since. He is a tenured Associate Professor in the Harold and Inge Marcus Department of Industrial and Manufacturing Engineering at Penn State University. He is also an Associate Professor in Mathematics by courtesy.

    Here is a previous paper by Guodong with Professor Martin Day from VPI:

  7. Kun Soo Park (2009) at the KAIST Colllege of Business

    Kun Soo successfully defended his thesis in October, 2009, after which he received his Ph.D. from the IEOR Department at Columbia. We conducted research on stochastic models in finance jointly with Professor Emanuel Derman. Kun Soo also was co-advised and did research with Professor Tim Huh, now at the University of British Columbia. Kun Soo is now on the faculty of the College of Business in the the Korean Advanced Institute for Science and Technology (KAIST) in Seoul.

    Here are our three completed papers with appendices:

  8. Ohad Perry (2010) in the Department of Industrial Engineering and Management Sciences at Northwestern University.

    Ohad received his Ph.D. from the IEOR Department in Columbia in 2010. In 2010-2011 Ohad was a postdoctoral fellow with Bert Zwart at the C.W.I. in Amsterdam. In August 2011 Ohad joined the faculty of the Department of Industrial Engineering and Management Sciences at Northwestern University, where he has been ever since.

    Here are our completed papers:

  9. Xu Sun (??) at Columbia IEOR

    Xu Sun entered the IEOR PhD program in 2014 after completing his MS in Applied Operations Research at the University of Waterloo in Canada.

  10. Rishi Talreja (2010) at KCG Holdings

    Rishi successfully defended his thesis on September 11, 2009, after which he received his Ph.D. for the IEOR Department at Columbia. Rishi is currently a Quantitative Strategist KCG Holdings in Jersey City, NJ.

    Here are our three completed papers and supplements to two:

    Here is a paper by Rishi on distribution-valued heavy-traffic limits for the G/GI/infinity queue with Professor Josh Reed from NYU:

    Here is a paper by Rishi on order book dynamics with Professor Rama Cont from Columbia and Dr. Sasha Stoikov from Cornell:

  11. Wei You (??) at Columbia IEOR

    Wei You entered the IEOR PhD program in 2014.

  12. Xiaopei Zhang (??) at Columbia IEOR

    Xiaopei Zhang entered the IEOR PhD program in 2015 after completing his MS in Statistics from Columbia.

  13. Jingtong Zhao (??) at Columbia IEOR

    Jingtong Zhao entered the IEOR PhD program in 2016 after completing her BS in IEOR from Columbia with a concentration in financial engineering (BSFE). We completed two papers before she entered our doctoral program.

Research with Other Columbia Students

Papers with Other Students