Mark began his career with Mobil in 1986. He worked in planning/special projects, as a reservoir engineer (Hugoton Field), and as an operations engineer (Illinois Basin). Mark continued his career with Powers Petroleum Consultants, Snyder Oil, and as an independent consultant. His experience includes marketing oil and gas properties, supply and demand studies, reserve evaluations for A&D, expert witness support for litigation, and development/application of pressure transient analysis technology. Mark led industry engineering workshops and implemented engineering systems in the US, Canada, Europe, Indonesia, the Middle East and South America for surveillance of a wide variety of projects including CO2, waterfloods, as well as conventional oil and gas exploitation projects. Mark also advised Landmark and Geoquest in the development of petroleum engineering software and training programs. Mark joined Clearinghouse in 2000 as a Senior Reservoir Engineer, became Technical Resources Manager in 2002 and assumed his present position in 2003. Mark has overseen and managed evaluations in every U.S. basin.



Mark has a B.S. in Petroleum Engineering from the University of Missouri-Rolla (1986) and is a member of the Society of Petroleum Engineers