- Microbial distributions and interactions with marine plants and invertebrates
- Sequence-based approaches to the discovery of natural products from marine microbes.
- Comparative genomics.
- Microbial chemical ecology.
- The distributions, biogeography, and molecular evolution of marine bacteria.
- B.S., Florida Institute of Technology
- M.S., San Diego State University
- PhD, UCSD, Scripps Institution of Oceanography