Medical Cohen joined the
Yale School of Medicine in 1972. Cohen was named the director of the
Yale Child Study Center in 1983, a position he held until his death in 2001. and was president from 1992 to 1998. He served as vice-president of the board of governors of
Yale University Press, was an analyst at the
Western New England Institute for Psychoanalysis, and was a member of the
Institute of Medicine of the
National Academy of Sciences. He held chair appointments with the Child Health and Development Institute the and
Schneider Children's Hospital of Israel, and was International President of the Telefon Azzuro Foundation in Italy. He served on editorial boards in the United States, France, Israel, and Great Britain.
Other achievements Cohen is credited with transforming three buildings at Yale to help give the Yale Child Study Center prominence (the Children's Psychiatric Inpatient Service, the Harris-Provence Child Development Unit, and the Nelson and Irving Harris Building), obtaining "prominent and central locations at the medical school for each of these buildings." He also helped bring
kosher kitchens to the university. ==Publications==