Joe O’Brien is a legislative advisor in Manatt’s Government and Regulatory practice, where he counsels local governments on legislative and regulatory matters, with a focus on transportation and infrastructure policy. He helps clients navigate complex and evolving laws, regulations and funding opportunities to advance community priorities.

Before joining Manatt, Joe worked in both the public and private sectors—including in congressional offices, professional associations and law firms—where he focused on high-profile policy issues such as energy, housing, immigration and tax. His background includes legislative tracking, budget analysis and policy development, and he has served in the offices of Congresswoman Linda Sánchez, Congressman Scott Peters and the Office of the Speaker of the U.S. House of Representatives.