Graduate assistant Virginia Polytechnic University, Blacksburg, 1961-1963. Forester United States Forest Service, Littleton, New Hampshire, 1963-1965. Supervisor upland ecology research Ohio Department Natural Resources, Delaware, Ohio, 1965-1972.
Environmental coordinator Missouri Department Conservation, Jefferson City, 1972-1989, fisheries program coordinator, since 1989. Advisory to river and stream committee Conservation Federation Missouri, Jefferson City, since 1989. Mem Blue Ribbon panel United States Fish and Wildlife Service, Fort Collins, Colorado, 1978-1980.
Director Missouri Stream Team, Jefferson City, since 1989. Midwest representative Urban Rivers Coalition, Portland, Oregon, since 1994.
1961 - 1963
1963 - 1965
1965 - 1972
1972 - 1989