Billy W. Harris has worked internationally and domestically in various roles and capacities in drilling, completion, and production operations, reservoir engineering, property valuation, and as an expert witness before regulatory bodies of several states, in civil litigation, and in Federal Court. He is currently a Partner and the Vice-President of Engineering for Elk River Resources in Midland, Texas were he began his career with Conoco in 1978. Mr. Harris was employed 23 years by Wagner & Brown, Ltd. of Midland as Senior Petroleum Engineer, where much of his work has focused on tight gas and tight oil plays before helping form Elk River in October of last year. Mr. Harris was a Director on the Society of Petroleum Engineers (SPE) International Board from 2008 – 2011, where he served on the Board Committee on Finance & Administration and chaired the Board Committee on Education and Professional Activities. He is currently in his fifth year as chairman of the SPE Liquids-Rich Basins Conference. Mr. Harris is also a past Board Chairman of Midland Habitat for Humanity and currently serves on the Permian Basin Petroleum Museum Board of Trustees. He is an adjunct faculty member at New Mexico Institute of Technology and holds a B.Sc. degree in Petroleum Engineering from Colorado School of Mines.