Research Interests

• Public sector applications
• Call center staffing and scheduling, network design, clustering
• Development of models and solutions for large-scale optimization problems
• Supply chain management

Selected Publications

• "Optimization Based Contiguous Clustering: Application to Determine Newspaper Zones," Naval Research Logistics (with J. Shantz and M. A. Trick)
• "Designing Maring Reserves for Fishery Management," Management Science (with G. Meester, J. A. Ault and E. K. Baker)
• "Optimal Shift Scheduling: A Branch-and-Price Approach," Naval Research Logistics (with K. E. Murphy and M. A. Trick)
• "An optimization based heuristic for political districting," Management Science (with E. L. Johnson and G. I. Nemhauser)
• "A column generation approach for exact graph coloring," INFORMS Journal on Computing (with M. A. Trick)
• "Min-Cut Clustering," Mathematical Programming (with E. L. Johnson and G. I. Nemhauser)

Teaching & Professional Experience

• Visiting positions at Carnegie Mellon University and at IBM’s T. J. Watson Research Center
• Consultant to Capital One, Exxon, Goodyear Tire and Rubber Company, Cheetah Software Systems, Inc., Ryder Dedicated Logistics, A. T. Kearney, Cargill and the Virginia Department of Transportation

Degrees

• Georgia Institute of Technology, Ph.D.in Operations Research, 1992.
• Virginia Polytechnic Institute and StateUniversity, M.S. in Oper. Res., 1988.
• Birla Institute of Technology and Science, Pilani, India, B.S. in Mech. Eng., 1986.

Specialties

• Management science models and applications
• Distribution logistics
• Integer programming
• Combinatorial optimization