DR. DEEPANKAR BISWAS is the President of SiteLark, an international petroleum engineering consulting and software firm. He has over fifteen years of hands-on experience in industry, research laboratory and field operations. His experience spans assignments in Middle-East, Europe, Latin America, Asia and continental USA. He had previous tenures with such companies as Mobil E&P, ONGC, TXU Energy Trading, Blade Energy Partners and DeGolyer and MacNaughton. He has developed next-generation reservoir simulator for Mobil Exploration and Production. He has performed Integrated Reservoir Studies for major international and domestic fields both at Mobil and DeGolyer and MacNaughton. While at Blade he pioneered the development of the reservoir based Underbalanced Drilling evaluation methodology and championed its usefulness and application in UBD screening throughout the world. Deepankar has a Ph.D. and M.S. in Petroleum Engineering from the University of Texas at Austin and B. Tech in Petroleum Engineering from Indian School of Mines. He also received a Certificate in Corporate Finance from Southern Methodist University. He has more than ten archival technical publications and two book chapters on real options. He is an active member of Society of Petroleum Engineers, current Education Chairman of SPE Dallas Chapter and has been a technical editor for SPEJ. He is a professional registered engineer in the state of Texas.