After Harvard, Kantor was an Assistant Professor of Clinical psychiatry at Tufts University School of Medicine from 1965–1975, during which time he also served as first Director of Psychological Research (1966–1969), Director, Center for Training in Family Therapy (1968–1975), and Chief Psychologist (1969–1975) at Boston State Hospital.
Boston | U.S. state | Georgia (U.S. state) | São Paulo (state) | Secretary of State | Washington (U.S. state) | state | General Hospital | United States Department of State | Moscow State University | United States Secretary of State | Boston University | Ohio State University | Michigan State University | New York State Assembly | State Senator | New York State Senate | hospital | Rio de Janeiro (state) | Massachusetts General Hospital | Louisiana State Legislature | Iowa State University | Boston College | Pennsylvania State University | Louisiana State University | Boston Celtics | Santa Catarina (state) | Florida State University | Museum of Fine Arts, Boston | Paraná (state) |