Gavin O'Brien

Gavin O'Brien is an accomplished attorney currently serving as an Associate Attorney at Lewis Johs Avallone Aviles, LLP since December 2023. Previously, O'Brien worked as an Attorney at BURKE & SULLIVAN, PLLC from May 2023 to December 2023, and served as an Assistant District Attorney at the Suffolk County District Attorney's Office from August 2021 to April 2023. O'Brien gained significant legal expertise as a Legal Intern at Nassau Downs OTB and Burke and Sullivan Law Firm, where responsibilities included conducting legal research, drafting documents, and assisting in property transactions. Additional internship experience was acquired at the Suffolk County District Attorney's Office, focusing on court procedures and case management. O'Brien holds a Doctor of Law (JD) from St. John's University School of Law and a Bachelor of Business Administration in Legal Studies from the University of Miami.