Stephen E. Pierce was retained as Zion Oil and Gas's consulting geologist for the drilling of the Ma'anit #1 and subsequent exploration and development in February 2005, and joined Zion on a full-time basis in September 2005. From 1995-2005, Mr. Pierce served as project geologist for Murfin Drilling Co. in the Caribbean, primarily in the Dominican Republic. For the period of 1992-1995, Mr. Pierce was consulting geologist for several small independent companies, including Petrolera Once of Dominican Republic, Century Guyana, Ltd. Of Guyana, and Hydrocarbons International of Colombia. He also worked as consulting geologist for Dames and Moore in Texas, Wyoming, Costa Rica and Mexico during this time, as well as doing independent consulting work in Panola and Shelby Counties in East Texas. From 1985-1992, he acted as senior geological advisor for Mobil Oil Corporation, and from 1980-1985, he worked as senior geologist for Superior Oil Co. He served as senior geologist in Pakistan for AMOCO from 1979-1980 and as geologist for UNOCAL from 1974-1979. Mr. Pierce received his M.S. in geology from San Diego State University in 1974 and his B.S. in geology from California State University in 1971. Prior to this, he was an aerographer for the United States Navy from 1961-1965. Mr. Pierce holds the title of Professional Geologist with the State of Wyoming and holds memberships with the American Association of Petroleum Geologists and the American Institute of Professional Geologists.