Roy Billinton, during his 40-year career, has been instrumental in the development of many of the statistical quantities and applications of probability theory methods now considered common in the industry for the planning, design and operation of electric power systems. He currently serves as an emeritus professor in the department of electrical and computer engineering at the University of Saskatchewan (Saskatoon, Saskatchewan) in Canada and has mentored over 120 MSc and Ph.D. students. Billinton has authored or co-authored over 850 published papers and eight books. He is a founding member of the consultative committee on outage statistics created by the engineering and operating division of the Canadian Electricity Association (CEA). Under his guidance, CEA has developed and operates a very comprehensive power system outage data collection system. An IEEE Life Fellow, he has previously received the IEEE Canada Outstanding Engineer Educator Award and was recently elected a Foreign Associate of the United States National Academy of Engineering.