Luis Vargas
Professor of Operations, Decision Science, and Artificial Intelligence


356 Mervis Hall


Luis Vargas was the recipient of the Juan March Foundation Scholarship, Madrid, Spain, to the University of Pennsylvania in 1976-78. He won the Outstanding Professor of the Year Award at the Joseph M. Katz Graduate School of Business in 1984. He was the coordinator of the Quantitative Interest Group from 1987 to 1991; the coordinator of the Artificial Intelligence Interest Group from 1991 to 1994; Area Director of Decision, Operations and Information Technology 2009-2012; chair of the Second International Symposium on the Analytic Hierarchy Process (ISAHP), held in Pittsburgh August 11-14, 1991, at the Joseph M. Katz Graduate School of Business; and the 15th ISAHP held in Hong Kong July 12-15, 2018. He is also Founder and Director of the International Center for Conflict Resolution 2018.

Luis Vargas has focused his research on decision theory, practical applications of the Analytic Hierarchy Process (AHP, measurement of resource utilization, group decision making, forecasting, and conflict resolution.

Courses Recently Taught


Multivariate Analysis, Decision Theory


Forecasting, Revenue Management & Pricing Analytics; Data Mining; Decision Technologies in Manufacturing and Operations

Professional Service and Activities

  • Area Editor, Journal of Multi-Criteria Decision Analysis
  • Senior Editor, The International Journal of the Analytic Hierarchy Process


  • PhD in Mathematics, University of Sevilla (Spain)
  • PhD in Social Systems Sciences, Wharton School of the University of Pennsylvania

Recent Publications


Economic, Political, Social & Technological Applications Of The Analytic Network Process (ANP): Benefits, Opportunities, Costs And Risks, with Thomas L. Saaty. Kluwer Academic Publishers, 2006. 2nd edition (2013).

Models, Methods, Concepts and Applications of the Analytic Hierarchy Process, with Thomas L. Saaty. Boston : Kluwer Academic Publishers, 2001. 2nd edition (2012).


“Decision Making in Social Media with Consistent Data,” with J.I. Pelaez, and E.A. Martinez.  Knowledge-Based Systems 172 (2019) 33-41.

“Products and Services Valuation Through Unsolicited Information from Social Media,” with J.I. Pelaez and E.A. Martinez.  Soft Computing.

“Task Interdependence and Firm Performance in Outsourced Service Operations,” with N. Ramasubbu, J, Shang, J. May, Y. Tjader.  Manufacturing & Service Operations Management, Articles in Advance, pp. 1-16,

“ Estimating the Importance of Consumer Purchasing Criteria in Digital Ecosystems,” with Jose I. Pelaez and F. E. Cabrera,  Knowledge-Based Systems 162 (2018) 252-264.

“Consistency in Positive Reciprocal Matrices: An Improvement in Measurement Methods,” with J.I Pelaez and E.A. Martinez.  Accepted 04/09/2018 in IEEE Access.

“A Personalized Approach of Patient–Health Care Provider Communication Regarding Colorectal Cancer Screening Options,” with M. Gabriela Sava, James G. Dolan, Jerrold H. May.  Medical Decision Making (2018).

“The Origin of Neural Firing and Synthesis in Making Comparisons,” with T.L. Saaty.  European Journal of Pure and Applied Mathematics 10, 4 (2017), 1-12.

 “On prioritizing on-time arrivals in an outpatient clinic,” with Karolina J. Glowacka, Jerrold H. May, Rachel M. Goffman, Elizabeth K. May, Aleksandra Sasha Milicevic, Keri L. Rodriguez, Youxu C. Tjader and Dominic L. Vargas.  IISE Transactions on Healthcare Systems Engineering.   Published Online: 21 Apr 2017 (

“Predictive Analytics Model for Healthcare Planning and Scheduling, with Shannon L. Harris and Jerrold H. May. European Journal of Operational Research 253, 1 (2016)121-131.

“Group Decision Making with Dispersion in the Analytic Hierarchy Process,” with Natalie M. Scala, Jayant Rajgopal and Kim LaScola Needy. Group Decision and Negotiation 25(2016)355–372 (DOI 10.1007/s10726-015-9445-7).

“Voting with Intensity of Preferences,” International Journal of Information Technology & Decision Making 15, 4 (2016) 839-859.

“A Structured Scientific Solution to The Israeli-Palestinian Conflict: The Analytic Hierarchy Process Approach,” with Thomas L. Saaty and H. Jerome Zoffer. Decision Analytics 2, 7 (2015)1-53.

“Impacts of supplier hubris on inventory decisions and green manufacturing endeavors,” with X. Lu, J. Shang, S. Wu, G.G. Hegde and D. Zhao.  European Journal of Operational Research (2015).

“Firm-level outsourcing decision making: A balanced scorecard-based Analytic Network Process model,” with Y. Tjader, J.H. May, J. Shang and N. Gao. International Journal of Production Economics 147 (2014) 614-623.   

“General Linear Model Used to Predict Risk-Adjusted Length of Stay in Cardiac Intensive Care,” with David P. Strum.  Critical Care Medicine 41,12 (2013)A24.

“Mathematical Distributions As Models For Length Of Stay In Cardiac Intensive Care Units,” with David P. Strum.  Anesthesia & Analgesia 116 (2013) 96.

“Classifying highly imbalanced ICU data,” with Y.F. Roumani, J.H. May and D.P. Strum.  Health Care Management Science 16 (2013) 119-128.

“A New Methodology For Sensitivity And Stability Analysis Of Analytic Network Models,” with J.H. May, J. Shang and Y.C. Tjader. European Journal of Operational Research 224 (2013) 180-188.

“Outcomes of Operative Management of Appendicitis,” with Rajeev Dhupar, John Evankovich, Juan B. Ochoa, and Steven J. Hughes.  Surgical Infections 13, 3 (2012). DOI 10.1089/sur.2011.104.

“Delayed operating room availability significantly impacts the total hospital costs of an urgent surgical procedure,” with Rajeev Dhupar, John Evankovich, John R. Klune, and Steven J. Hughes. Surgery, 150, 2, (2011) 299-305

“The Surgical Scheduling Problem: Current Research And Future Opportunities,” with J.H. May, W.E. Spangler and D.P. Strum.  Journal of Production and Operations Management 20, 3, (2011) 392–405.

“The Possibility Of Group Choice: Pairwise Comparisons and Merging Functions,” with T. L. Saaty.  Social Choice and Welfare, Online First™, 2 April 2011, DOI 10.1007/s00355-011-0541-6.

“Offshore outsourcing decision making: A policy-maker’s perspective,” with J. Shang and Y. Tjader.  European Journal of Operational Research  207, 1 (2010) 434-444.

“An Optimization-based Approach for the Design of Bayesian Networks,” with A.M. Martinez-Rodriguez and J.H. May, Mathematical and Computer Modeling doi:10.1016/j.mcm.2008.01.007.

“Euclidean Centers: Computation and a MOLP Application,” with A. Arbel. Mathematical and Computer Modeling (2007), doi: 10.1016/j.mcm.2007.07.009.

“The Consistency Index in Reciprocal Matrices: Comparison of Deterministic and Statistical Approaches.” European Journal of Operational Research (2007), doi: 10.1016/j.ejor.2007.06.054.

“Conflict Identification And Reconciliation In A Collaborative Manufacturing Scheduling Task,” with C. Abreu, J.H. May and W. Spangler. Int’l J’l of Information Technology and Decision Making 7, 1 (2008) 183-197.

“Interval Judgments and Euclidean Centers,” with A. Arbel. Mathematical and Computer Modeling 46, 7-8 (2007) 976-984.

“Dispersion of Group Judgments,” with T.L. Saaty. Mathematical and Computer Modeling 46, 7-8 (2007) 918-925.

“The Analytic Hierarchy Process: Can Wash Criteria be Ignored?” with T.L. Saaty Int’l J’l of Management and Decision Making Vol. 7, 2/3 (2006) 180-188.

“An Outpatient Segmentation Model: Estimation of Stakeholder Costs,” with DP Strum. Journal of Clinical Investigative Medicine 26, 6(2005) 364-367.

“The Possibility of Group Welfare Functions,” with T.L. Saaty. Int’l J’l of Information Technology and Decision Making, Vol. 4, 2 (2005) 1-10.

Academic Area

Business Analytics and Operations

Personal Interests

Tennis, music, chess, photography, and sailing