Sidney Green (NAE) is one of the founders and is retired president-chairman-chief executive officer of TerraTek in Salt Lake City, Utah, a geomechanics engineering firm. TerraTek was acquired by Schlumberger, the largest worldwide oil services firm, in 2006, and Mr. Green has been manager of Geomechanics Business Development for the Schlumberger Data and Consulting Services group. Mr. Green has additionally accepted a position of research professor at the University of Utah, where he holds a dual appointment in mechanical engineering and civil and environmental engineering. He has worked in the area of geomechanics for the past 4 decades, and has published numerous papers and reports, holds a number of patents, has given many presentations on geomechanics, and has received a number of rock mechanics/geomechanics recognitions. He is the past chairman of the National Academy of Sciences U.S. National Committee on Rock Mechanics and has recently served on the National Research Council Committee on Destruction of Non-Stockpile Chemical Weapons. Mr. Green has a B.S. from the University of Missouri at Rolla and an M.S. from the University of Pittsburgh, both in mechanical engineering. He attended the University of Pennsylvania, and he received the degree of Engineer from Stanford University in engineering mechanics in 1964.

Carolyn A. Koh is an associate professor in the Chemical Engineering Department at the Colorado School of Mines (CSM) and codirector of the CSM Center for Hydrate Research. Prior to CSM, Dr. Koh was a reader on the chemistry faculty of King’s College, London University. Her research focuses on applying a combination of spectroscopic, diffraction, and macroscopic tools, coupled with computer simulations to advance our understanding of the structure and mechanisms of hydrate crystal growth and decomposition. Dr. Koh is a Fellow of the Royal Society of Chemistry and received the Young Scientist Award of the British Association for Crystal Growth in 2001. She received her B.Sc. (Honors) in chemistry and her Ph.D. in surface chemistry and catalysis from the University of West London. Dr. Koh also completed postdoctoral research training in the Department of Chemical Engineering at Cornell University. She has been a visiting professor at Cornell University, Penn State, and London University.

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