Olivier Pourret is a research engineer at Électricité de France (EDF) and an analyst at EDF Trading. He has published a number of papers describing his use of Bayesian Belief Networks (BBNs), and co-authors a book on the subject. He also taught reliability modeling at the University of Marne-la-Vallée from 1998 to 2002, and initiated the BBN course at EDF R&D Training Institute in 1999.

Patrick Naïm is the founder and CEO of Elsewhere, an engineering company specialized in knowledge technologies and quantitative modeling. He also works as a consultant in operational risk modeling for a major French bank, and in design risk modeling for a major US oil company. He is the author or co-author of four books (2 Wiley titles) in data mining, data modeling and BBNs, and he teaches data modeling and Bayesian networks at three Parisian schools.

Bruce Marcot is a research wildlife ecologist with the Ecosystems Processes Research Program in the US. He conducts applied scientific research and technology application projects for risk assessment and decision modeling in forest resource and wildlife planning. Author of several papers on the use of BBNs, he is sought for lecturing and teaching short courses on BBN and decision modeling methods.