Since October 2009, John McLennan has been a USTAR Associate Professor in the Department of Chemical Engineering at the University of Utah. He has been a Senior Research Scientist at the Energy & Geoscience Institute and a Research Professor in the Department of Civil Engineering at the University of Utah, since January 2008. He has a Ph.D. in Civil Engineering from the University of Toronto, in 1980. He has thirty years of experience with petroleum service and technology companies. He worked nine years for Dowell and Dowell Schlumberger in their Denver, Tulsa and Houston facilities. Later, John was with TerraTek in Salt Lake City, Advantek International, in Houston, and ASRC Energy Services in Anchorage. He has worked on projects concerned with subsurface energy recovery in a variety of reservoir environments, in domestic and international settings.