This website is best viewed in a browser that supports web standards.

Skip to content or, if you would rather, Skip to navigation.

Northwest Missouri State University

Dr. Charitha Sasika Hettiarachchi

Dr. Charitha Sasika Hettiarachchi



1810 Colden Hall


660.562.1963 (fax)

Joined Northwest in 2016

Assistant Professor


  • Ph.D. Software Engineering North, Dakota State University
  • M.Sc. Information Assurance ,St. Cloud State University
  • B.Sc. Applied Sciences, Sabaragamuwa University of Sri Lanka

Courses Taught

  • Systems Analysis and Design
  • Project Management in Business and Technology
  • Human Computer Interaction
  • Information Assurance and Systems Security
  • Software Requirements Analysis
  • Introduction to Programming-II
  • Software Quality Assurance and Testing
  • Introduction to Management Information Systems

Academic Interests

  • Software Testing
  • Requirements Engineering 
  • Computer Security & Information Assurance

Scholarly Activity

  • C.S. Hettiarachchi, H. Do, and B. Choi, “Risk–Based Test Case Prioritization Using a Fuzzy Expert System,” Information and Software Technology (JIST), Vol. 69, pp. 1-15, January. 2016.  doi:10.1016/j.infsof.2015.08.008
  • H. Srikanth, C.S. Hettiarachchi, and H. Do, “Requirements–Based Test Prioritization Using Risk Factors: an Industrial Study,” Information and Software Technology (JIST), 2015 (in press). doi: 10.1016/j.infsof.2015.09.002
  • C.S. Hettiarachchi, H. Do, B. Choi, “Effective Regression Testing Using Requirements and Risks,” in: Proceedings of the IEEE Eighth International Conference on Software Security and Reliability (SERE), June 2014, pp. 157–166. doi: 10.1109/SERE.2014.29