Professor Emerita of Systems Engineering and Operations Research, Director Emerita of the Center for Resilient and Sustainable Communities, and Associate Director Emerita of the C4I and Cyber Center at George Mason University. Research areas: information fusion, decision theoretic knowledge representation and reasoning methodology, Bayesian statistics, decision support, and semantically rich probabilistic knowledge representation. Co-founder and co-chair of Evaluation of Techniques for Uncertainty Representation Working Group (ETURWG).