1974-1981 Founder, Chairman and CEO, Universal Drilling Company and Universal Drilling Services, Inc., a 6-rig drilling contractor with 10,000 to 22,000 foot rigs. Companies sold in 1981 1974-1981 President and CEO, Universal Drilling S.A., Panama 1973-1974 President, Hess Exploration Company (affiliate of Amerada Hess), beneficiary of 20% credited interest 1969-1976 Founder and Principal Stockholder (76%), Chairman, President and CEO, Oceanic Exploration Company, a public company engaged in off-shore and onshore oil, gas and mineral exploration and production in the following areas outside the continental United States: British North Sea, Dutch North Sea, Cameroon, Greece, Madagascar, Malaysia, Nicaragua, Peru, Timor and Taiwan. A public company whose stock was traded over the counter. Company sold in 1981. 1954-1962 Partner (60%-owner), Pirson-Grynberg Associates Through this partnership with Dr. Sylvain J. Pirson, jointly conducted 2-week intensive well log interpretation and 4-week advanced reservoir engineering courses in the U.S.A. (Austin, Texas and Denver, Colorado), Canada, Venezuela, England, France, Italy and the Middle East. 1954-1962 Owner, Jack Grynberg and Associates, Consulting petroleum, petrophysical, geological and geophysical engineers 1953-1954 Research Engineer, Research and Development Department, Continental Oil Company, Ponca City, Oklahoma PROFESSIONAL ATTAINMENTS, APPOINTMENTS AND MEMBERSHIPS Patent Holder: United States Patent #4,492,862 - January 8, 1985 “Method and Apparatus for Analyzing Components of Hydrocarbon Gases Recovered from Oil, Natural Gas and Coal Drilling Operations” Invented by: Jack J. Grynberg, Leonard Y. Nelson and Stephen E. Moody Appointments: Appointed by Colorado Governor Richard Lamm to the Board of Trustees, Colorado School of Mines, March 1975 to March 1981 Appointed to the International Board of Advisors, Gubkin State Oil and Gas University, Moscow, Russia-1992 Appointed to the Presidential Council, Colorado Sc