Senior Scientist, Biology; Director, WHOI’s Center for Ocean, Marine, and Seafloor Observing Systems; Chief Scientist of the Martha’s Vineyard Coastal Observatory; and lead investigator for the Northeast US Shelf Long Term Ecological Research program

Sosik has been on the faculty and staff since 1994, and currently holds Stanley W. Watson Chair for Excellence in Oceanography. A biological oceanographer and inventor, Sosik and her co-workers have developed automated underwater analyzers that dramatically enhance scientists’ and resource managers’ ability to study microscopic organisms that fuel ocean food chains, interact with Earth’s climate, and sometimes produce harmful algal blooms that threaten ecosystem and human health.

Sosik serves as  She is active in many national and international roles including associate editor for leading journals, service on strategic planning and scientific steering committees, and elected officer of the American Geophysical Union.