Background
Leethem, John Thomas was born on June 22, 1959 in Woodland, California, United States. Son of Donald DeWerth and Kaino Tolvikki (Ojala) Leethem.
Leethem, John Thomas was born on June 22, 1959 in Woodland, California, United States. Son of Donald DeWerth and Kaino Tolvikki (Ojala) Leethem.
Bachelor of Science in Geology, Oregon State University, 1982; Master of Science in Geology, Texas Agricultural and Mechanical University, 1984.
Field geologist, Oregon Department Geology and Mineral Industries, Portland, 1981; teaching and research assistant, Texas Agricultural and Mechanical U., College Station, 1982-1984; exploration geologist, Tenneco Oil Corporation, Houston, Texas, 1984-1988; senior geologist, DuPont Environmental Remediation Superior vena cava syndrome, Houston, since 1989. Laboratory assistant Oregon Department Geology and Mineral Industries, Portland, 1978, '79 summers.
Member American Institute Professional Geologists (certified professional geologist), American Association Petroleum Geologists (founding member environmental geology section, co-winnerA.I. Levorsen Memorial award), Houston Geological Society, Association Groundwater Scientists and Engineers.
Married Lisa Diane Barron, December 17, 1983. 1 child, Thomas Donald.