Siff, 52, of Oyster Bay, is running on the Democratic, Women's Equality and Green party lines in the general election. He has been a criminal defense attorney with a private practice in Kew Gardens since 1991. From 1988 to 1991 he was an assistant district attorney in Queens, and from 1983 to 1985 he worked as an intern and campaign staffer in both the Queens and Washington, D.C. offices of U.S. Rep. Joseph P. Addabbo. He received his undergraduate degree from the University of Maryland in 1985 and his law degree from Emory University School of Law in 1988. He was admitted to the New York State Bar in 1989.