Charles Liu, Ph.D.

Interim Department Chair in Information Systems and Cyber Security, Professor, Information Systems and Cyber Security

Charles Liu Headshot


Dr. Charles Z. Liuis a professor of information systems at The University of Texas at San Antonio. He received his Ph.D. in management information systems from the Katz Graduate School of Business, University of Pittsburgh. His research interests include the economics of information systems, network externalities, mobile apps and standards competition in IT markets. Dr. Liu is anICISDoctoral Consortium Fellow (2006) and a recipient of the Net Institute Research Grant (2007). His research has been presented at international conferences such asICISAMCIS, INFORMS and WISE and published in leading information systems journals such as MIS QuarterlyInformation Systems Research (ISR), Journal of Management Information Systems (JMIS), Communications of the ACM (CACM) and Communications of the AIS (CAIS).

Dr. Liu currently teaches undergraduate application development and advanced database concepts, and graduate database design.

Research Interests

  • Economics of IS
  • Network externalities
  • Standards/platform competition
  • Mobile apps
  • Game theory modeling


  • Ph.D. University of Pittsburgh
  • M.A. Tulane University