During his four years in college, David shot his photographic essay, "Keeping the Faith: Photographs of Catholic School Children." Upon graduation, David did not pursue photojournalism, but went into the motion picture industry where he worked as an assistant cameraman. Some of the productions he worked on include: Law & Order, New York News (with Mary Tyler Moore), Rear Window (with Christopher Reeve), Stuart Little 2 and Billy Joel Live at Yankee Stadium. He also wrote jokes for Jay Leno.

David returned to photojournalism in 2009 and shoots and writes for various print and online newspapers. His work has won awards from organizations such as the New York Press Club, the Press Club of Long Island and the Military Reporters & Editors Association and has been recognized by local newspapers and published in national magazines.

His autobiography, Mickey Rooney Was Right, was published in 2010, and his young adult novel, Minnie Mornap: Teen Reporter, in 2016. Both books published through Author House.