Josef Shaoul is Engineering Manager for Fenix Consulting Delft in The Netherlands, where he has been working for more than 20 years. Previously, he was Sen. Software Eng. at Resources Engineering Systems in Cambridge, MA, USA, developing the Fracpro system. Josef is involved in performing fracture engineering and reservoir engineering studies around the world. He holds S.B. and S.M. degrees in Electrical Engineering and Computer Science from Massachusetts Institute of Technology. Josef has co-authored more than 35 SPE papers, including four peer reviewed publications. He has been an SPE member since 1996.