Professional Activities
Research Support
- Co-Investigator (with D. Goldfarb, D. Bayer and S.T. McCormick), “Karmarkar's Method: Theory, computational aspects, and extensions,” February 1987 to September 1989, Office of Naval Research.
- Principal Investigator, “Karmarkar's algorithm,” January 1987 to December 1987,
Northwestern University (URGC)
- Principal Investigator, “Interior point algorithms for linear and convex
programming,” September 1988 to January 1991, National Science Foundation
(Engineering Research Initiation, numeric and symbolic computing program),
CCF-8810107
- Principal Investigator, “Interior point methods in optimization,” June 1991 to
November 1994, National Science Foundation (numeric and symbolic computing
program), CCF-9019469
- Principal Investigator, “Interior point algorithms,” January 1991 to December
1992, GTE Laboratories.
- Co-Principal Investigator (with R. Fourer), “Large-scale computational
techniques in interior point methods,” February 1993 to January 1994, Office of
Naval Research, N00014-93-1-0317.
- Co-Principal Investigator (with David Simchi-Levi and Robert Fourer), “Parallel
algorithms for mathematical programming,” 1995, National Science Foundation
(Operations Research Program), CMMI-9412343.
- Principal Investigator, “Theory, algorithms and applications of interior-point
methods for large-scale mathematical programming,” March 1995 to September 1997,
Office of Naval Research, N00014-95-1-0743.
- Co-Principal Investigator (with P. Banerjee and T. Defanti), “Remote
manufacturing decision support using virtual reality,” June 1996 to May 1999,
National Science Foundation (Integration Engineering program), CMMI-9500396,
Northwestern Subcontract from UIC.
- Principal Investigator, “Methods for linear and mixed integer programs,” October
2001 to September 2002, Office of Naval Research, N00014-01-1-0048.
- Principal Investigator, “Methods for solving linear and nonlinear mixed integer
programs,” September 1999 to August 2002, National Science Foundation
(Operations Research Program), CMMI-9908038.
- Principal Investigator, “Methods for linear and mixed integer programs,” October
2001 to September 2002, Office of Naval Research, N00014-01-1-0048,
ONR-N00014-01-1-0048/P00001.
- Co-Principal Investigator, 2002, “Institute for Design Engineering and Applications: Fostering Creative Synthesis Across the Curriculum,” National Science Foundation (Engineering Education Program), EEC-0230547, (one among 6 co-PIs).
- Co-Principal Investigator, “Virtual Reality Anthropomorphic Avatars for scalable
telecollaboration including wireless and other low-bandwidth devices,” (with P.
Banerjee), National Institute of Standards and Technology, December 2001 to
December 2004.
- Principal Investigator, “Methods for linear and mixed integer programs,” October
2002 to September 2005, Office of Naval Research, N00014-01-1-0048,
ONR-N00014-01-1-0048/P00002.
- Principal Investigator, “Generalized Branch-and-Cut Methods for Mixed Integer
Programming” September 2002 to August 2005, National Science Foundation,
CMMI-0200151.
- Co-Principal Investigator, “Transcriptional Program of Ex Vivo Expanded T Cells
(Supplement for using optimization models in genetic pathway modeling), Role
co-PI, January 01, 2003 – December 31, 2004, R01 GM065476.
- Principal Investigator, “Methods for Solving Mixed Integer Programs Using
Adjoint Lattices,” September 2005 to August 2008, National Science Foundation,
CMMI-0522765.
- Principal Investigator, “Methods for Mixed Integer Programming Using Lattices,”
October 2005 to September 2008, Office of Naval Research,
N00014-01-1-0048/P00001.
- Co-Principal Investigator (equal participation with Tito Homem-Demello (PI)),
“Optimization with Stochastic Semi-Definite Dominance Constraints,” 09/10/2007
to 08/31/2011, National Science Foundation, CMMI-0727532.
- Principal Investigator, “Methods for Mixed Integer and Stochastic Programming,”
January 2009 to August 2011, Office of Naval Research, N00014-09-10518.
- Principal Investigator, “Multi-objective Robust Stochastic Planning and Scheduling of Healthcare Service Providers,” 09/01/2009 to 08/31/2012, National Science Foundation, CMMI-0928936. (with Mark Daskin, Heron Rodriguez, and Debra DeRosa)
- Principal Investigator, Northwestern University Clinical and Translational Sciences Institute (NUCATS) Engineering into Medicine Mini-Sabbatical Award, NIH UL1RR025741. AY 2010
- Principal Investigator, International Program Development Curriculum Grant for “Introduction to Healthcare Systems Engineering”. AY 2010
- Principal Investigator, “Sparse Grid Scenario Generation and Interior Algorithms for Stochastic Optimization in a Parallel Computing Environment”, Department of Energy, DOE-SP0011568, 2010-2013.
- Principal Investigator, “Terra-Grid Computing Resources for Mixed Integer Programming”, Request #16598 AY 2010
- Principal Investigator, “Distribution and Moment-Robust Optimization Models and Algorithms”, National Science Foundation, CMMI-1100868, 2011-2014
- Principal Investigator, “Models and Algorithms for Risk Adjusted Optimization with Robust Utilities”, National Science Foundation, CMMI-1131386, 2011-2014
- Principal Investigator, “Addressing Geographical Disparities in Transplant Organ Accessibility Across United States”, (with Daniela Ladner and John Friedewald) CMMI-1131568, 2011-2014
- Senior co-Investigator supporting Ashley Davis for her Graduate Student Training Grant, “Geographic Inequities in Kidney Transplantation: Investigating possible solutions”, NIH-1R36HS021078-01, 09/2011-02/2013.
- Principal Investigator, “Algorithms for Mixed Integer and Stochastic Optimization,” ONR N00014210051, 2011-2014
- Principal Investigator, “Healthcare Engineering at McCormick,” Walter P. Murphy Society Research Grant, 2011-2012
- Principal Investigator, “Developing Hospital Demand Process Map,” REU Supplement to National Science Foundation, CMMI-0928936.
- Principal Investigator, “Advanced algorithm and optimization-based decision making tool and coupled complex energy flow calculations,” Argonne National Lab
- Co-Investigator, “Artificial Intelligence in a Mobile Intervention for Depression (AIM),” NIH1 R01 MH100482-01 (Principal Investigator, David C. Mohr, other co-Investigators: Parisa Rashidi, Mary Kwasny, Joyce Ho, Bernice Ruo, and Jenna Duffecy). I wrote the core machine learning part of this proposal, 2013-2018.
- Principal Investigator, “Addressing Geographical Disparities in Transplant Organ Accessibility Across United States”, (with Daniela Ladner and John Friedewald) CMMI-1131568: REU Supplement
- Principal Investigator, (S. Iravani, co-PI), “Managing Downstream Patient Flow Processes Using Improved Coordination and Staffing”, CMMI 1335585, 2013-2016.
- Co-Investigator (Dave Cella, PI), AHRQ 1K12HS023011-01 (Role: Director, Training in Engineering and Technology in HealthCare), “Northwestern University Patient-centered Intervention and Engagement Training (role 5%). Engineering and Technology Training core is one of the four training core of this training proposal (on the AHRQ payline), 2014-2018
Awards in Professional Areas
- Second prize, 1986 George E. Nicholson student paper competition, for the paper “A Self-Correcting Version of Karmarkar's Algorithm.”
- INFORMS Moving Spirit Award, 2005
- McCormick Advisor of the Year Award, 2007
- Program Director Nomination for NSF Research Highlight, 2011 (based on results from Grant CMMI-0727532)
- Program Director Nomination for NSF Research Highlight (based on results from Grant CMMI-0928936)
- Research Highlight, 2011, Northwestern University Annual Research Report
- Prominently mentioned in the article “Engineering Healthcare” in McCormick School of Engineering Alumni Magazine
- Sudden Cardiac Arrest Risk Assessment using a Multivariate Model. Selected among the top 5% posters (94 out of nearly 2000 posters). Winner Best Poster in Diagnostic Testing for American College of Cardiology meeting, Chicago 2012. (co-authors Sanjay Mehrotra, Kibaek Kim, David Liebovitz and Jeff Goldberger)
- Best Applied Paper Prize in Operations Engineering and Analysis for the paper “Risk Adjusted Budget Allocation Models with Application in Homeland Security”, IIE-Transaction journal issues July 2011-June 2012 (co-authors Jian Hu, Tito Homem-de-Mello, and Sanjay Mehrotra)
- Top 10% Poster of Distinction Award at the 13thAmerican Society of Transplant Surgeons’ Symposium, 2013. “Examining the Influence of Biopsy on Organ Utilization in a Single OPO” Co-authors: A. Davis, S. Mehrotra, L. McElroy, J. Friedewald, A. Skaro, B. Lapin, R. Kang, J. Holl, M. Abecassis, D. Ladner, Award is given to top 10% posters presented at the conference.
- Top 10% Poster of Distinction Award at the 2013 American Transplant Congress “Predictors of Kidney Transplantation Waiting Time Inequity across the United States”, A Davis, S Mehrotra, L McElroy, J Friedewald, A Skaro, B Lapin, R Kang, J Holl, M Abecassis, D Ladner.. Award is given to top 10% posters presented at the conference.
- Medical Data Analysis for Marathons: Challenges and Implications for Preparedness, Honorable Mention, Best Poster Competition (given to three posters, which were not judged the best), INFORMS Healthcare 2015, Karen Smilowitz, Jennifer Chan, George Chiampas, Sanjay Mehrotra, and Michael Nishi
Invited lectures at Major Institutions
- IE/Computer Science Department, Southern Methodist University (1986). “Relaxed Variants of Karmarkar's Algorithm.”
- Mathematics Department, Northwestern University (1986). “Relaxed Variants of Karmarkar's Algorithm.”
- School of ORIE, Cornell University (1987). “A Self-Correcting Variant of Karmarkar's Algorithm.”
- IE Department, Purdue University, West Lafayette (1987). “A Self-Correcting Variant of Karmarkar's Algorithm.”
- IEOR Department, Columbia University (1988). “Relaxed Variants of Karmarkar's Algorithm.”
- Kellogg Graduate School of Management, Northwestern University (1992). “Interior-Point Methods for Linear Programming.”
- Business School, University of Illinois, Chicago (1992). “Predictor-Corrector Methods for Linear Programming.”
- Engineering School, University of Waterloo (1992). “Predictor-Corrector Methods for Linear Programming.”
- Business School, University of Iowa (1992). “Predictor-Corrector Methods for Linear Programming.”
- GTE Laboratories (1993). “Interior-Point Methods for Convex Programming.”
- First National Bank of Chicago (1993). “Historical Developments in Mathematical Programming.”
- AMS-IMS-SIAM Conference (Seattle 1995). “Conjugate Gradient based Implementation of Interior Point Methods for Network Flow Problems.”
- Ibbotson Associates, (Chicago 1996). “Developments in Solution Technology for Mathematical Programming.”
- MEIE Department University of Illinois at Chicago (1997). “Interior point methods in optimization.
- Optimization Technology Center, Northwestern University (1999). “Generalized Branch-and-Cut Method for Mixed Integer Linear Programs.”
- INFORMS Chicago Chapter (1999). “Branch-and-Cut Method for 0-1 Mixed Convex Programs.”
- Optimization Technology Center, Northwestern University (2000). “Volumetric Center Method for Convex Stochastic Programming.”
- IE Department, University of Texas, A&M (2000). “Methods for Mixed-Integer Nonlinear Programming.”
- Department of Computing and Software, McMaster University (2001). “Disjunctive Methods for Linear and Nonlinear Programming.”
- United Airlines, Chicago (2001). “Disjunctive Methods for Linear and Nonlinear Programming.”
- MEIE Department University of Illinois at Chicago (2001). “Disjunctive Methods for Linear and Nonlinear Programming.”
- IEOR Department, Columbia University (2002). “Generalized Branching Methods for Mixed Integer Programming.”
- Courant Institute, NYU (2005). “Stochastic Semi-definite Programming: Theory, Algorithms and Applications.”
- Environmental Protection Agency (2005). “Pollutant trading for mercury waste management: An optimization approach,”
- Institute of Mathematics and Its Applications (2005). “On Generalized Branching Methods for Mixed Integer Programming,” (at the Mixed Integer Programming Workshop)
- University of North Carolina (2006). “Two Stage Stochastic Semi-definite Programming: Decomposition Methods, Implementations and Applications.”
- University of Wisconsin-Madison (2007), “Two Stage Stochastic Semi-definite Programming: Decomposition Methods, Implementations and Applications.”
- Stevens Institute of Technology (2009), “Interior Decomposition Algorithm Using Weighted Barrier and Sparse Grid Scenario Generation in Stochastic Programming.”
- Northwestern University, McCormick School of Engineering (2010), New Opportunities Workshop, “Healthcare Engineering and Decision Sciences”
- Northwestern University (2010), Department of Surgery Retreat, Feinberg School of Medicine, “Examples of Management Science Applications in Healthcare”
- Northwestern University (2010), Northwestern University Comprehensive Transplant Center (Research Group), “Role of Optimization in Transplant Decisions”
- Northwestern University (2010), Department of Hospital Medicine, “Role of Optimization Technology in Healthcare”
- Northwestern University (2011), Institute for Health Studies, “Role of Optimization Techniques in Healthcare”
- University of Southern California (2011), Industrial and Systems Engineering Department, “Multi-objective Multi-expert Optimization using Weight Robustness and Stochastic Dominance”
- University of Southern California (2011), Industrial and Systems Engineering Department, “The Role and Future of Industrial and Systems Engineers in an Interconnected World”
- (Plenary) INFORMS Regional Conference (Ohio, August 2011), “Multi-objective Multi-expert Optimization using Weight Robustness and Stochastic Dominance”
- Sixth Rutgers-Stevens Workshop on Optimization of Stochastic Systems (November, 2011), “Models and Algorithms for Distributionally Robust Two-Stage Convex Stochastic Programs”
- Lehigh University, Industrial and Systems Engineering Department (February, 2012), “Multi-objective Multi-expert Optimization using Weight Robustness and Stochastic Dominance: Concepts, Properties and Applications”
- Geographic Disparity in National Kidney Allocation: The Problem, Proposed Solutions, and Lessons Learned (March, 2012), Research Symposium on Health and Medical Systems, SUNY, Buffalo
- National Science Foundation (April 2012), “Multi-objective Multi-expert Optimization using Weight Robustness”
- Ford Design Center, Kellogg Graduate School of Business, Northwestern University, Regulatory Decisions: A Personal Perspective (October 2012), Workshop on Risk Perception in Healthcare
- University of Michigan, Dearborn, Industrial and Systems Engineering Department, “Geographic Disparity in Kidney Allocation: The Problem, Proposed Solutions, and Lesson Learned (October 2012)
- University of Michigan, Ann Arbor, Industrial and Operations Engineering Department, “Multi-objective Multi-expert Optimization using Weight Robustness and Stochastic Dominance: Concepts, Properties and Applications (November 2012)
- University of Michigan, Dearborn, Industrial and Systems Engineering Department, “Geographic Disparity in Kidney Allocation: The Problem, Proposed Solutions, and Lesson Learned. (November, 2012)
- Northwestern University, Feinberg School of Medicine, Wednesday Workshop, “Optimization of Health and Health Delivery: A Technology Overview”, January 2013
- Wayne State University, Industrial Engineering Department, “A New Multi-objective Optimization Modeling Approach with Applications in Diabetes Prevention Budget Allocation (February, 2013)
- Simulation-Optimization Workshop, “Scenario Generation for Stochastic Programming Using Moment Matching”, Vina del Mar, Chile, (March, 2013).
- (Keynote) Euro-INFORMS (July 2103, Rome), “Optimizing Healthcare: Budgets, Policies and Beyond”.
- Lanchester University, UK, “Optimizing Healthcare: Budgets, Operations, Policies and Beyond” (January, 2014)
- Symposium titled, “Transplant Organ Shortage: Informing National Policies using Management Sciences,” at AAAS annual meeting in Chicago February 2014.
- Pennsylvania State University, Industrial and Manufacturing Engineering Department, “Optimizing Operations and Policies in Healthcare” (February, 2014)
- University of Illinois at Urbana-Champaign, Industrial and Enterprise Systems Engineering Department, “Data, Models and Decisions in Healthcare Operations and Policies”, (March, 2014)
- University of Minnesota, Department of Mechanical and Industrial Engineering, “Models and Methods for Moment Robust Decision Making”, (March, 2014)
- (Plenary) MINLP 2014 Workshop at Carnegie Mellon University, Can Interior Solutions Help in Solving Mixed Integer Programs? (June 2014)
- Optimizing Healthcare and Using Healthcare to Motivate Optimization Methodology, H. Milton Stewart School of Industrial & Systems Engineering, Georgia Institute of Technology (April 2015).
- Optimizing Healthcare: Budgets, Operations, Policies, and Beyond, INFORMS Chicago Chapter (May 2015).
- Models: Principles of Robust System Design and their Applicability in Organ Allocation, National Liver Public Forum on Organ Allocation, Chicago (June 2015).
Presentations and Invited Presentations during Sessions at Major Conferences
- AMS-IMS-SIAM Conferences (Brunswick 1987, Maine 1989, Monterey 1990, Seattle 1995).
- Mathematical Programming Society International Conferences (Japan 1988, Amsterdam 1991, Ann Arbor 1994, Atlanta 2000).
- TIMS/ORSA/INFORMS Conferences (Denver 1988(1), Vancouver 1989(1), Philadelphia 1990(1), Las Vegas 1990(1), Anaheim 1991(1), Nashville 1991(2), Orlando 1992(2), San Francisco 1992(2), Chicago 1993(3), Boston 1994(2), Detroit 1994(1), New Orleans 1995(2), Washington 1996(2), Atlanta 1996(1), Philadelphia 1999(3), Salt Lake City 2000(1), San Antonio 2000(1), Miami 2001(3), Miami 2006 (3), San Francisco (2), Pittsburg 2006 (3), Seattle 2007 (2), D.C. 2008 (3), San Diego 2009 (3), Texas Austin 2010 (5)
- SIAM Optimization and General Conferences (Chicago 1992(2), Washington 1991(2), Boston 2008(1), Denver 2009(1), ISMP-Chicago 2009 (2))
- Stochastic Programming Conference (SP-X) (2004) Arizona (1), SP-X (2010) Halifax
(2)
- INFORMS Computing Society, 2011 (2)
- INFORMS Optimization Society, 2012 (5)
- IIE National Conference, 2012 (1), 2013(2)
- Winter Simulation Conference, 2013
Tutorials
- “Financial Optimization: A tutorial,” (2007) INFORMS Midwest Regional Conference
Professional Activities
- Judge (1988), TIMS/ORSA Nicholson Student Paper Competition.
- Member of SIAM (1987-present), INFORMS (1986-present) and Mathematical Programming Society (1986-1996, 1999-present).
- Organizer, Mini-symposium on Recent Computational Advances in Interior Point Methods at the fourth SIAM conference on Optimization (Chicago 1992).
- ORSA Membership Committee (1993-95).
- Founding Member (1994-present), Optimization Technology Center, Between Northwestern University and Argonne National Lab.
- Co-director (1996-1998), Industrial Virtual Reality Institute, UIC.
- Co-organizer, Virtual manufacturing and education conference (UIC, 1996).
- Session Chair: TIMS/ORSA/INFORMS Conference Sessions (Las Vegas 1990, San Francisco 1992, Chicago 1993, Boston 1994, Philadelphia 1999, San Antonio 2000), Mathematical Programming Society International Conferences (Japan 1998, Amsterdam 1991).
- Cluster Chair, Large Scale Mathematical Programming Cluster, INFORMS, Los Angeles, 1995. Computational Optimization Cluster, INFORMS, Pittsburg, 2006
- Member (1999), ORSA Journal of Computing, Editor-in-chief Selection Committee.
- Co-chair (2001-2005), INFORMS Chicago chapter.
- Elected Member (2002-2006), INFORMS Subdivision Council.
- INFORMS Chapter/Fora Committee (2002-2007)
- Co-Director (2005-2008), Optimization Technology Center.
- Member (2005), INFORMS Publications Committee
- Member (2005), Sections/Society Committee
- Vice-President Chapter/Fora, INFORMS (2006-2007). Instrumental in starting new regional conferences. Also, handled subdivisions related administrative matters.
- Vice-Chair (Computational Optimization), Optimization Society (2006-2007)
- INFORMS Board of Directors (2006-2007)
- General Chair, INFORMS Midwest Regional Conference, 2007 (at Northwestern University, IL)
- Co-General Chair, Optimization Society Bi-annual Conference, 2008 (in Atlanta, GA)
- Invited Attendee – NSF Workshop on “Industrial and Systems Engineering and Healthcare: Critical Areas of Research, 2009 (Washington, D.C)
- National Science Foundation Proposal Review Panel (1998, 2002, 2005, 2006, 2009, 2010)
- Department of Energy Proposal Review Panel (2008)
- Member, Education Committee, Society of Health Systems (2010)
- International Program Committee (ICORES 2011-2012) International Conference on Operations Research and Enterprise Systems
- Faculty Volunteer, Northwestern High school teacher intern program (1 week, Summer 2011)
- Chair-elect (2012), Chair (2013-14), Optimization Society, INFORMS
- Director, Northwestern Center for Engineering and Health
- General Chair, INFORMS Healthcare 2013 conference
- INFORMS Subdivision Council member 2013-14
- Co-Chair, Health Systems Optimization Workshop, CME Accreditation for up to 8 credits.
- Best Paper Award Committee, 2014, IIE Transactions special issues on Operations and Analytics
- Elected Board Member, Health Systems Engineering Alliance, 2014-2016
- Informs Optimization Society, Farkas Award Committee for mid-career researcher award (2015).
- Best poster award judge (2015), INFORMS Helathcare 2015 Conference
- Bonders’ scholarship award committee (2015), INFORMS Health Applications Society
Significant Software
- PCx (with Czyzyk, Wagner and Wright) is a widely used software library for solving linear programs available from Optimization Technology Center.
Editorial Responsibilities
- Honorary Editorial Board Member (2013- present) Innovation and Entrepreneurship in Health
- Department Editor (Healthcare Area) (2013-present) IIE Transactions
- Co-coordinator (2001-present), www.optimization-online.org. Helped design and co-ordinate this highly visited site for E-prints of recent research articles on topics in optimization area.
- Associate Editor (2003-present), Operations Research.
- Associate Editor (2004-2011), Asia P. Journal of Operations Research.
- Associate Editor (2007-present), International Journal of Information Systems in the Service Sector
- Department Editor (Optimization Area) (2008-2012) IIE Transactions
- Member of Editorial Board (2001-2008), IIE Transactions, Handling papers in the area of Applied Optimization.
- Associate Editor (2000-2005), International Journal of Modeling and Simulation, ACTA Press. Handling papers in the area of optimization modeling and virtual systems.
- Guest Co-editor (1997), IIE Transactions Special Issue on Virtual Reality Manufacturing.
- Co-editor (1996), Proceedings for Symposium on Virtual Reality in Manufacturing Research and Education.
- Associate Editor (1995-96), Mathematical Programming.
- Referee for papers in
- Annals of Operations Research
- Canadian Journal of Chemical Engineering
- European Journal of Operations Research
- Linear Algebra and Its Applications
- Location Science
- Mathematical Programming
- Mathematics of Computation
- Mathematics of Operations Research
- Networks
- Operations Research
- Operations Research Letters
- Opsearch
- ORSA Journal on Computing
- SIAM Journal on Optimization
- SIAM Journal on Control and Optimization
- SIAM Review
- Special Publications on Interior Point Methods
- COAP
- Journal of Applied Mathematics and Optimization
- Asia Pacific Journal of Operations Research
- Journal of Global Optimization
- IIE Transactions
- Modeling and Simulation
- Optimization Letters
Book Review
- Production and Operations Analysis (2nd edition) by Steven Nahmias for Irvin.
- Accounting Hilton