Ph.D. 1987, University of Georgia, Athens, GA
M.S. 1982, Cornell University, Ithaca, NY
B.S. 1977, Colgate University, Hamilton, NY
Bacterial roles in the marine carbon and sulfur cycles; ecological genomics, metagenomics, and metatranscriptomics in coastal marine environments; diversity and structure of estuarine and coastal ocean bacterial communities; ecology and physiology of marine Roseobacter bacteria.