Administrator for the Agricultural Research Service
Dr. Knipling is a native of Texas, but grew up primarily in the Washington, D.C. area. He earned his B.S. in 1961 in forestry from Virginia Tech University. He received his M.A. in 1963 and Ph.D. in 1966 in plant physiology from Duke University.
Dr. Knipling served in the U.S. Army 1966-68, conducting research on remote sensing of environment. He began his career with the U.S. Department of Agriculture, Agricultural Research Service (ARS) in 1968 as a research plant physiologist in Gainesville, Florida. He has also served as Area Director for ARS in Stoneville, Mississippi (1975-78), and in Fresno, California (1978-82), and Associate Deputy Administrator, National Program Staff, Beltsville, Maryland (1982-88). Dr. Knipling served as Director of the Beltsville Agricultural Research Center, Beltsville, Maryland (1988-89) and served as Deputy Administrator of the National Program Staff, Beltsville, Maryland, until October 1996. Dr. Knipling served as Acting Administrator for ARS from October 1996 to November 1997. Dr. Knipling was appointed Associate Administrator of ARS in December 1997. Dr. Knipling was appointed Acting Administrator of ARS in December 2001. Dr. Knipling was appointed Administrator of ARS in July 2004.