Michael P. O’Connor

Michael P. O’Connor is a partner at Thon Beck Vanni Callahan & Powell and has more than two decades of experience representing victims of catastrophic injuries and wrongful death. His practice encompasses automobile, trucking, motorcycle, and pedestrian accidents, as well as slip and fall cases, construction accidents, product liability claims, and dog bite cases.

Mr. O’Connor earned his Bachelor of Arts from John Carroll University before obtaining his Juris Doctor from the State University of New York, Buffalo School of Law in 1997. During law school, he clerked for both the Erie County District Attorney’s Office and the U.S. Attorney’s Office for the Western District of New York. He is admitted to practice law in California and New York.

Throughout his career, Mr. O’Connor has consistently achieved outstanding results for his clients, including numerous verdicts and settlements exceeding $1 million. Notable recoveries include a $7.1 million premises liability verdict, a $6.5 million construction site verdict, and several wrongful death settlements. His ability to secure results through mediation, arbitration, and trial demonstrates his versatility and dedication to client success.

Recognized by peers and publications, Mr. O’Connor has been named a Super Lawyer by Los Angeles Magazine and honored as a Top Personal Injury Attorney in Pasadena Magazine for over a decade. Beyond his litigation practice, he serves as President of the Pasadena Bar Association and as Chairman of its Litigation Section. He is also a Past-President of the Irish American Bar Association, reflecting his leadership within the legal community.

Michael P. O’Connor is recognized for his tireless advocacy, compassionate representation, and unwavering commitment to securing justice for injured clients and their families. His work ensures that those harmed by negligence receive fair compensation and hold those responsible accountable.

Law Office Affiliations

• Partner, Thon Beck Vanni Callahan & Powell
• President, Pasadena Bar Association
• Former President, Irish American Bar Association
• Member, New York State Bar Association
• Member, California State Bar

Licensed State

• California
• New York

Education

• State University of New York, Buffalo School of Law
  Juris Doctor (JD)
• John Carroll University
  BA in Political Science with Cum Laude

Awards & Badges