• Ph.D., University of Texas at Austin,1986
  • M.S., University of Texas at Austin, 1983
  • B.S.I.E., Instituto Tecnologico de Monterrey (Mexico), 1980


  • Six-Sigma Quality
  • Engineering Statistics
  • Lean Production
  • Optimization and Other Research Courses
  • Simulation
  • Human Factors and Ergonomics
  • Engineering Ethics
  • Technology and Society
  • Senior Design Project
  • Engineering Economy


Rafael Moras, Ph.D., P.E., joined St. Mary’s University in 1990. He earned his bachelor’s in Industrial and Systems Engineering from Monterrey Tech (Mexico).

His master’s and doctoral degrees in the areas of Operations Research and Industrial Engineering are from The University of Texas at Austin. His main research interests are sequencing and scheduling and professional ethics.

Moras has published articles in engineering journals such as Production and Inventory Management Journal, the Journal of Applied Mathematics and Computation, Production Planning and Control, and International Journal of Industrial Engineering. He is a sought-after speaker and has delivered papers and keynote presentations in more than 50 national and international professional conferences. He offers consulting services and workshops in the areas of lean and six-sigma quality, professional ethics and the delivery of effective presentations.

Moras is the director of the Engineering Systems Management and the Industrial Engineering graduate programs. He also served as director of the Pre-Freshman Engineering Program at St. Mary’s from 1992-1999 and 2005-2013, and at the University of Texas San Antonio from 2002-2004.

Moras is also a choir director and piano player at Holy Trinity Catholic Church and has composed three musical plays. He serves on the Board of Directors of the Chamber Orchestra of San Antonio.


Parten, L, G. Easwaran, R. Moras y P.X. Uhlig, “Machine dominance in flowshops with minimization of mean flow times,” J. Applied Mathematics and Computation. 217, 2010, 110-116.

R. Moras and T. Gamarra, A Survey of Ergonomic Issues Associated with a University Laptop Program, Journal of Education and Human Development, Vol. 1, 2, 2007.

Moras, R., J. Castaneda, G. Easwaran, and P. Uhlig, “Special Cases of Dominance in Flowshop Scheduling,” Proceedings, Third Annual World Conference of the Society for Industrial and Systems Engineering, Oct. 20-22, 2014, San Antonio, TX,

Moras, R. and R. Skipper, “El uso de casos en la enseñanza de la ética ingenieril”, (The use of cases in teaching engineering ethics) Congreso Internacional de Investigación de Academia Journals, Celaya, México, Nov. 2013, pp. 2313-2317

Velázquez Trujillo, S., Escobar Gómez, E.N., Moras, R., Hernandez de Leon, H., “Propuesta para mejorar la distribución en el almacén de una empresa comercial, bajo el enfoque Lean logistics”, (A proposal to use lean logistics to improve the plant layout of a comercial entity), Congreso Internacional de Investigación de Academia Journals, Juarez, Mexico, April 2012.

Garcia, V., J. Compton, R. Moras, G. Easwaran, R. Escamilla, A. Machorro, and G. Cabrera, “Cross-cultural differences in self-reported perception of ethical dilemmas”, Global Conference on Business and Finance, Las Vegas, Jan. 2011.

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