Anitra Thorhaug is an American marine biologist, plant ecophysiologist and a whose extensive work on the rehabilitation of coastal ecosystems has had a substantial influence on national and international policies on conservation around the world. She is President of the Greater Caribbean Energy and Environment Foundation, and President of the Institute for Seagrasses. She has had a series of professorships at leading Universities and presently works at The Institute of Sustainable Forestry Ecophysiological Laboratories at the Yale School of Forestry & Environmental Studies. She is a member of the International Club of Rome and has twice been President of the US Association of the Club of Rome.