DR. SUBHASH N. SHAH is the Stephenson Chair Professor and Director of the Well Construction Technology Center at the Mewbourne School of Petroleum and Geological Engineering at the University of Oklahoma in Norman, Oklahoma. He has a distinguished career in the Oil and Gas (O&G) industry for over 35 years 18 years in industry predominantly with Halliburton Energy Services and 17 years in academia. He enjoys teaching at undergraduate and graduate levels and supervises students' research leading to masters and doctoral degrees in petroleum engineering (PE). He directs a well-established center to conduct PE research and collaborates with several industry partners. He travels world-wide to deliver lectures and to provide consulting services to the O&G industry. He has authored over 250 technical papers in more than 20 international journals. His areas of expertise include onshore/offshore drilling, stimulation, well completions, and the emerging technologies of horizontal wells and coiled tubing. He is a Chairman of ISO 13503 Procedure for Friction Pressure Measurements, and serves on the Editorial Boards of SPE since 1984, Petroleum Science since 2006 and International Journal of Oil, Gas and Coal Technology since 2006. He has been well-recognized by his peers and is a recipient of numerous industry and academic awards. He has a BS from the MS University of Baroda as well as an MS and PhD from the University of New Mexico, all in Chemical Engineering. He is a registered licensed professional engineer.