St. Mary's University 1 Camino Santa MariaSan Antonio, TX 78228 +1-210-436-3011 St. Mary's University logo William Joseph Chaminade St. Mary's University, Texas

Orion J. Welch, Ph.D.

Professor of Information Systems



  • Ph.D., University of Memphis, 1995
  • M.S., Air Force Institute of Technology, 1970
  • B.S., Memphis State University, 1966

Research Interests

  • Computer fraud
  • Corporate social responsibility
  • Supply chain management


Orion J. Welch, Ph.D., joined the Greehey School of Business in 1995 as an assistant professor of information systems. He holds a doctorate in management information systems from the University of Memphis and a master’s degree in management from the Air Force Institute of Technology. His research publications include a total of 37 academic journal articles, proceedings and presentations at national and regional academic conferences.

Prior to coming to San Antonio, Welch held a number of positions with the Department of Defense, including Director of Telecommunications and Information Systems at the Defense Logistic Agency in Memphis, and staff representative to the National Communications Security Board in Washington.

He was the Dierdre Hawkins Richards Professor of Entrepreneurship for 1999-2000 and received the Distinguished Faculty Award for the Greehey School of Business for 2005-2006. He is an active member of the International Association of Computer Information Systems.

Back to top