Since 2006, Dennis O’Brien has been practicing as a founding parting at O'Brien Law Group, LLC. Mr. O’Brien is dedicated to protecting the rights of the accused in Long Island, New York. Prior to working at the firm, Attorney O’Brien worker as a prosecutor for four years, handling criminal cases from traffic offenses, misdemeanors to serious felony offenses. With former prosecution experience, Dennis is uniquely qualified to defend your charges. He understands both sides of the criminal justice system and he knows how to build a solid and compelling defense case for court. With Long Island criminal defense attorney Dennis O’Brien by your side, your rights can be protected against the prosecution and you can fight to have your charges reduced or dropped altogether. Mr. O’Brien is actively involved in the community and is also a member in several notable Associations including the Board of Directors of the Criminal Courts Bar Association and the Board of Directors of the Criminal Courts Bar Foundation charity.