BA, Biology - 1980 San Francisco State University

MA, Marine Biology- 1982 San Francisco State University

Thesis: Stomatogenesis & Phylogeny in Two Scuticociliates (advisor G. A. Antipa)

Ph.D., Marine and Estuarine Environmental Sciences -1988 University of Maryland

Thesis: The Ecology of Ciliate Microzooplankton in the Chesapeake Bay (advisors D.W. Coats and E. B. Small)



Scientific Positions

Assistant Research Scientist: Chesapeake Bay Institute- Johns Hopkins University 1988-1990

Smithsonian Fellow: Smithsonian Environmental Research Center, Smithsonian Institution 1990 -1991

Associate Research Scientist: US NSF & Centre National de la Recherche Scientifique 1991 - 1992

Chargé de Recherche:1993- 2004

Directeur de Recherche: Centre National de la Recherche Scientifique 2004



Administrative & Editorial Positions

Department Head: Marine Microbial Ecology Group 1996-2000; 2005 - 2008

Deputy Editor: Marine Microbial Food Webs 1991- 1994

Deputy Managing and Founding Editor: Aquatic Microbial Ecology 1995 - 2005

Associate Editor: Journal of Plankton Research 2008

Co- Editor: Limnology and Oceanography Bulletin 2008 -2015

Taxonomic Editor: World Register of Marine Species (Tintinnia) 2010

Associate Editor: Journal of Eukaryotic Microbiology 2014

Society President: International Society of Protistology 2016-2017