B.S. Humboldt State University, Chemistry, cum laude, 1988
B.S. Humboldt State University, Oceanography, magna cum laude, 1988
M.Sc. University of Washington, Oceanography, 1994
Ph.D. University of Washington, Oceanography [Chemistry], 1996
Use of Stable isotopes to determine sources and diagenesis of organic compounds and nutrients in ecosystems. Development of high resolution X-ray spectromicroscopic techniques for examining nutrient cycling and sequestration and organic matter diagenesis.