[1] He is a co-founder, along with Thomas Saaty, of Expert Choice and developed the first commercial implementation of the Analytic Hierarchy Process.
Later, he worked at the MITRE Corporation, a think tank, where he conducted seminal research for the development of the ARPA computer network, which later evolved into the Internet.
He has also engaged in research, development and writing about the theory of measurement, corporate and public sector applications of decision analysis, strategic planning, and conflict resolution.
[7] Another often cited article "An Empirical Stopping Rule for debugging and testing computer software" was published in the Journal of the American Statistical Association.
The result of his work is encapsulated in the Riskion tool for risk analysis and management which enables measurement of subjective objectives as well as the relative importance of the objectives in a way that make possible scientifically valid conclusions as to how to optimally allocate an organization's resources to manage risk.