Associate Attorney

Brendan M. Ahern

Islandia, NY

17+ Years Experience

About Brendan

Brendan M. Ahern was the former Deputy Division Chief of the Suffolk County District Attorney’s Office Trial Division. As Deputy Division Chief, Mr. Ahern oversaw the Vehicular Crime, District Court, Case Advisory, and Intake Bureaus and the Domestic Violence Unit. Additionally, he worked alongside members of the Executive Team to advise the District Attorney on strategy and policy matters. Mr. Ahern previously served as the Chief of the Vehicular Crime Bureau between January 2018 and January 2020. In this capacity, Mr. Ahern managed the investigation and prosecution of all vehicular crimes in Suffolk County involving serious physical injury and death. Additionally, Mr. Ahern implemented the District Attorney’s “Choices & Consequences” program to educate Suffolk County high school students about safe and smart choices regarding alcohol, drugs, and driving. Mr. Ahern began his career as a prosecutor in the Nassau County District Attorney’s Office, where he was assigned to the District Court and Vehicular Crime Bureau. In 2011, he was promoted to Trial Supervisor for the DWI Unit, and at the time he left the office he was a Deputy Bureau Chief of the District Court Bureau tasked with supervising all misdemeanor vehicular prosecutions in the county. From 2014 to 2017, Mr. Ahern was in private practice where he successfully worked in areas of criminal defense and civil negligence. In 2017, he was recognized by the Suffolk County Assigned Defenders for his excellence in uncovering misconduct in a multi-defendant homicide case. Mr. Ahern served as an instructor for the New York State Prosecutor’s Training Institute (“NYPTI”) on topics ranging from homicide prosecutions, collision investigation and reconstruction, DWI investigation, and victim’s rights. Additionally, Mr. Ahern lectured on legal topics to the Suffolk County Police Academy and within the Suffolk County District Attorney’s Office.