Bachelor of Fine Arts, Pratt Institute, 1960.
Instructor School Visual Arts, New York City, 1967-1992, Fashion Institute of Technology, New York City, 1974-1992. President, owner Nessim & Associates, since 1990. Chairman illustration department Parsons School Design, 1992—2004.
Visiting assistant professor Pratt Institute, Brooklyn, 1977-1984. Director Research and Development (212) Studios, Inc., Long Island City, New York, 1982. Consultant Time Life Video Information Services New York City, 1982-1984.
Art juror annual student show Society Illustrators, New York City, 1985. Art juror graphic arts contest American Bar Association Software, Inc., 1988, 4th Annual New York Digital Salon, New York Siggraph 1996, 5th Annual Digital Salon, 1997,, 6th Annual Digital Salon, S.P.D. 33d Annual Design Competition, 1998. Gallery representative Sienna Patti, since 2007, Jill Brienza, since 2005, Rick Davidmon DFN Gallery, 2010.
Board directors High School of Art and Design, New York City, 1982. Member board advisors New York Foundation of the Arts, 1999-2005. Trustee Norman Rockwell Museum, 1999-2008.
First artist laureate, since 2008. Member Society Publication Designers, Artists Fellowship, Society Illustrators, Graphic Artists Guild, YLEM, Art Directors Club.
Married Jules Demchick.