Reidar works at the University of Stavanger and at the Norwegian Institute of Technology where he is teaching and supervising graduate students doing research in decision analysis, project valuation, portfolio analysis, real-option valuation and behavioural challenges in decision-making. Prior to academia, he spent 15 years in the industry in various technical and management roles including as Vice President in Landmark Graphics Corporation in Houston, Managing Director of Smedvig Technology Software Solutions (now Roxar), Senior Scientist with IBM, and Reservoir Engineer with Statoil. He spent his early working years as a roughneck and roustabout in the North Sea. Reidar has published numerous papers on topics such as investment modelling, decision-making, stochastic reservoir modelling, fuzzy logic and reservoir management. He is a co-author of the SPE book Making Good Decisions.