Assistant, Literature Department, Brooklyn (NY) Public Library.
Publicity Department, Oxford University Press, New York.
Copywriter, McGraw-Hill Book Company, New York.
Instructor (1st- & 2nd-year French language), New York University (Bronx campus)
Art critic, New York Herald-Tribune (International Edition), Paris, France.
Coeditor, Locus Solus, Lans-en-Vercors, France.
Art critic, Art International, Lugano, Switzerland.
Coeditor, Art and Literature, Paris, France.
Executive editor, ArtNews, New York.
Professor of English and Co-director of the MFA program in Creative Writing, Brooklyn College (CUNY). Named Distinguished Professor in 1980 and Distinguished Professor Emeritus in 1990.
Poetry editor, Partisan Review, New York.
Art critic, New York magazine, New York.
Art critic, Newsweek, New York.
Charles Eliot Norton Professor of Poetry, Harvard University, Cambridge MA.
Charles P. Stevenson, Jr. Professor of Languages and Literature, Bard College, Annandale-on-Hudson NY. Named Professor Emeritus in 2008.