D Nathan Meehan Editor

Usman Ahmed is CTO of unconventional oil and gas resources technology and executive technical advisor to WellDog, and more recently, vice president and chief reservoir engineer at Baker Hughes. He previously worked for Schlumberger, TerraTek, and his own reservoir and production engineering consulting firm, Energy Resources International. He has two patents and more than three decades of petroleum engineering experience. He is a Society of Petroleum Engineers (SPE) distinguished member, a recognized technical and professional industry leader, and the author and coauthor of more than 100 industry papers and textbooks. He was an SPE distinguished speaker in 2004-2005 and 2013-2014, and has been invited to numerous events as a keynote speaker and panelist. He holds a B.Sc. and M.Sc. in petroleum engineering from Texas A&M University.

D. Nathan Meehan serves as senior executive advisor to Baker Hughes. He was previously president of CMG Petroleum Consulting, vice president of engineering for Occidental Oil and Gas, and general manager of exploration and production services for Union Pacific Resources. He was recently elected the 2016 president of the Society of Petroleum (SPE) Engineers. He is an SPE distinguished member with more than 38 years of experience in reservoir engineering, reserve estimation, hydraulic fracturing, and horizontal wells. He holds a B.Sc. in physics from the Georgia Institute of Technology, M.Sc. in petroleum engineering from the University of Oklahoma, and Ph.D. in petroleum engineering from Stanford University. Widely published and highly decorated, Dr. Meehan is a licensed professional engineer in four states.