Jeffrey founded O'Brien Immigration, PC in 2010 with the goal of providing high-quality, affordable, and respectful legal representation to individuals seeking safety and opportunity in the United States. His practice has long focused on protecting the rights of immigrants, particularly asylum seekers and underserved communities.
Jeffrey has been recognized by East Bay Sanctuary Covenant for his pro bono work and has served as a mentor with the Lawyers' Committee for Civil Rights, reflecting his deep commitment to public service and advocacy.