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Ravindra K. Ahuja

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I have had the privilege of supervising highly talented doctoral students at the University of Florida. I am listing below the students I have supervised and am supervising now.

Mohammad Jaradat (2009-Current)

  • Mohammad had a B.S. degree in the field of Electrical and Computer Engineering from Jordan University of Science and Technology. He had his M.S. from the Computer and Information Science and Engineering department at the University of Florida. After graduating with his M.S. degree, Mohammad joined Innovative Scheduling, Inc. as a software analyst where he was exposed to the field of operations research He developed an immediate and special interest in the field of Network optimization and joined the ISE department for his Ph.D. in Spring 2009. His research interests include Linear and Integer programming methodologies and their applications in the field of network optimization and large-scale optimization. He was honored by the Jordanian royal family for his academic excellence. He was also rewarded with the Fullbright scholarship at UF. Mohammad is a big fan of college football and he enjoys listening to grunge music.

Suat Bog (2006-Current)

  • Suat received his B.S. degree in Industrial Engineering from Bogazici University, Istanbul in 2004 and his M.S. degree in Industrial Engineering from Koc University, Istanbul in 2006. Suat’s academic research is focused on solving large-scale discrete optimization problems. His research interests include integer programming, heuristics and network optimization. For his Master thesis, he worked on the Vehicle Routing Problem with Time Windows and the Location Routing Problem. He developed tailored Branch-and-Cut and Column Generation algorithms for the solution of these problems. In his Ph.D. study, he worked on the Curfew Planning Problem, where he was developing annual work schedules for crews who maintain railway tracks. He is currently focusing on distribution and scheduling/planning problems emerging in the transportation and logistics industry.

Ashish K. Nemani (2005-2009)

  • Ashish completed his undergraduate studies at the Indian Institute of Technology, Kharagpur in industrial engineering in 2005. His inclination towards solving the practical problems in optimization from his undergraduate level enticed him to pursue PhD in Operations Research. He received his M.S. in 2007 and Ph.D. in 2009 in industrial and systems enginnering at the University of Florida. In his doctoral research, Ashish developed efficient models and algorithms to solve scheduling and planning problems. He won the second place award in INFORMS paper competition on Management Science in Railroad Applications in 2007 for the paper “Load planning problem at an intermodal railroad terminal”, and in 2009 for the paper “Exact and heuristic algorithms to solve the curfew planning problem”. He enjoys reading novels and can also be a poet in his high moments. After graduation, he joined Intel.

Bala Vaidyanathan (2003 -2007)

  • Bala completed his undergraduate studies at Indian Institute of Technology, Madras in 2002. His interest in mathematics andte about sports in general and tennis in particular. He also likes music on two extreme ends of the spectrum: heavy metal and classica solving real-life problems in Operations Research made him enroll in the Ph.D. program at our university in 2003. His research focused in the field of network optimization on two real-life problems related to locomotive and crew scheduling for US railroads. He won the award of Honorable Mention in INFORMS paper competition on Management Science in Railroad Applications in 2004 and 2006. His paper on “Multi-Commodity Network Flow Based Approaches for the Railroad Crew Scheduling Problem” won him the best paper award in the Annual Graduate Student Paper Contest by Transportation Research Forum in 2007. He is passionate about sports in general and tennis in particular. He also likes music on two extreme ends of the spectrum: heavy metal and classical. After graduation, He joined FedEX.

Guvenc Sahin (2002 – 2006)

  • Guvenc has obtained his B.S. and M.S. degrees in Industrial Engineering from the Middle East Technical University (METU) in Ankara, Turkey in July 2000 and July 2002, respectively. His main area of research is Operations Research, and topics of special interest are mathematical modeling, integer programming, logistics network design and facility location. He focused on hierarchical facility location problems during his M.S. study. In this Ph.D. study, he did research on multi-commodity flow network design problems, train dispatching problems, and yard operations. He also taught courses on Decision Support Systems to graduate and undergraduate students. He is a member of INFORMS, IIE, and Operational Research Society-Turkey (ORST).  After graduation, he joined the faculty of Industrial Engineering at Sabanci University, Turkey.

Arvind Kumar (2001 – 2005)

  • Arvind completed his undergraduate studies at the Indian Institute of Technology, Madras in chemical engineering. Owing to his fascination for mathematical modeling, and their applications to real-life problems, he chose to pursue his doctoral studies in Industrial Engineering at University of Florida. His research focused on the development of linear programming approaches for radiation therapy treatment planning problems. He developed very efficient algorithms to solve these problems which will reduce the current patient treatment time significantly while simultaneously improving the treatment quality. At the 2003 INFORMS Annual Meeting, his co-authored paper, “A column generation approach to radiation therapy treatment planning using aperture modulation,” won the prestigious Pierskalla Award given to the best paper in Health Applications.
  • After graduating in 2005, Arvind joined Innovative Scheduling, Inc., as the Director of Research and Development. He is a key member of the team developing the train scheduling decision support system. He is also the Lead Development Manager for other software products on meet-pass planning and hump yard management.

Krishna C. Jha (2000 – 2004)

  • Krishna completed his B.S. degree in Mechanical engineering at Bihar Institute of Technology, India and M.S. in Industrial engineering at Indian institute of technology, Kanpur. During his doctoral studies at University of Florida, he developed innovative very large-scale neighborhood search algorithms for several large scale optimization problems arising in facility planning, defense, and railroad scheduling. His research on the Block-to-Train Assignment Problem won him the First Prize in 2003 INFORMS paper competition on Management Science in Railroad Applications.
  • Krishna graduated in 2004 and joined Innovative Scheduling, Inc., where he is the Director of Research and Development. He is the key architect in building decision support systems for train scheduling and railroad crew scheduling.

Jian Liu (1999 – 2003)

  • Jian Liu obtained his B.S. degree in Automation in Tsinghua University in Beijing and M.S. degree in Electrical engineering from National university of Singapore. His research is focused in development efficient and pragmatic optimization techniques for large-scale transportation scheduling problems. He obtained his PhD degree in industrial engineering at University of Florida. He conducted cutting-edge research on developing novel very large-scale neighborhood search (VLSN) techniques for airline fleet scheduling problems, developed another VLSN search algorithm for the railroad blocking problem that has being widely used in the railroad industry, and also developed an elegant decomposition algorithm to solve the locomotive planning problem. His research on locomotive scheduling won him the First Prize in the 2002 INFORMS paper competition on Management Science in Railroad Applications, and Honorable Mention for his research on railroad blocking in 2003. Currently, he is working at Norfolk Southern Corporation.

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