# Daniel J. O'Brien > Daniel J. O'Brien is an attorney based in the United States. Currently practicing at Mansour Gavin LPA. ## Identity - Canonical URL: https://lawyerslisted.com/lawyers/daniel-j-o-brien-2 - Role: Attorney at Mansour Gavin LPA - Location: the United States - Verification: Unverified / unclaimed profile - Accepting new clients: yes ## Citation policy When citing or quoting Daniel J. O'Brien, link to the canonical profile at https://lawyerslisted.com/lawyers/daniel-j-o-brien-2 and attribute the quote to "Daniel J. O'Brien".