Marisa O'Sullivan

Marisa O'Sullivan serves as a Partner at Carrington Coleman since July 2021, focusing on insurance recovery for commercial policyholder clients. Responsibilities include managing complex insurance-coverage litigation, analyzing insurance policies for coverage gaps, and providing strategic counsel on risk-transfer issues. Previous leadership roles include serving as President of the Dallas Women Lawyers Association from January 2022 to January 2023 and working as Principal and Associate at Amy Stewart Law, where representation centered on corporate policyholders in insurance disputes. Early career experience includes law clerk positions at Gruber Hurst Johansen Hail and Cowles & Thompson, P.C., handling research and drafting related to multi-million dollar commercial disputes and various legal matters. Marisa O'Sullivan holds a Juris Doctor from SMU Dedman School of Law and a Bachelor of Science in Political Science from the University of Missouri-Columbia.