Mr. Sullivan has been a partner at Berkman Henoch since joining the firm in 1996, heading the firm’s Litigation Practice Group with Joseph E. Macy. Mr. Sullivan has acquired years of experience in both trial and appellate practice, both in state and federal courts. He has concentrated in the areas of commercial and municipal law, constitutional rights, civil rights, and, often, complex title, land use, and zoning litigation, both for private clients, businesses, as well as the Counties of Nassau and Suffolk, and municipalities across Long Island.


  • Moot Court, Senior Board
  • Past President, Huntington Lawyers Club
  • Past President, Huntington Beach Community Association, Centerport, New York
  • Past President, Parish Council, Our Lady Queen of Martyrs R.C. Church, Centerport, New York, 1982
  • District Committeeman, Boy Scouts of America, 1979
  • President, Huntington Mens’ Chorus, 1983-84
  • Director and Master of Ceremonies for the international musical show “UP WITH PEOPLE!”, 1968-1973
  • Suffolk County and New York State Bar Associations