consulting firm that specializes in in-house petroleum engineering courses and consulting services worldwide. Prior to that, he was a Reservoir Engineering Advisor for Anadarko, Baker Hughes, and Gaffney, Cline and Associates and was a Professor and head of the Petroleum Engineering Department at Montana Tech of the University of Montana for 22 years. Dr. Ahmed has authored numerous papers and several successful books with Elsevier, including Advanced Reservoir Management and Engineering, 2nd Edition.Dr. D. Nathan Meehan is President of CMG Petroleum Consulting, an energy advisory firm founded in 2001. He was formerly President of Gaffney, Cline & Associates and a senior executive at Baker Hughes. Previously, he was Vice President of Engineering for Occidental Oil & Gas, and served as the 2016 President of the Society of Petroleum Engineers. Dr. Meehan holds a BSc in Physics from the Georgia Institute of Technology, an MSc in Petroleum Engineering from the University of Oklahoma, and a PhD in Petroleum Engineering from Stanford University. With more than 42 years of industry experience, he is an SPE Distinguished Member and received SPE Honorary Membership, the highest award the Society gives. He serves on the boards of the University of Oklahoma Board of Visitors for the Mewbourne College of Earth and Energy and the University of Texas Petroleum Engineering Department. He is a licensed professional engineer in four states.