John M. O'Brien

John M. O'Brien, the founding partner of the O’Brien & Zehnder Law Firm in Elk Grove, California, is dedicated to practicing personal injury law. He passionately champions cases involving motor vehicle accidents, wrongful death, birth injuries, brain injuries and more. Within California's legal circles, he is celebrated as a fervent and proficient defender of those who have suffered catastrophic injuries.Mr. O'Brien is committed to seeking justice for every client harmed by someone else's negligence. He tirelessly works to ensure that each client receives compensation for their injuries. Known for his vigorous advocacy and unwavering integrity, he has secured numerous multimillion-dollar jury verdicts and settlements across a broad spectrum of personal injury cases.A proud alumnus of the University of the Pacific, Mr. O'Brien graduated magna cum laude in 1987 with a bachelor’s degree with honors in political science and economics. He then earned his Juris Doctor with honors from the University of Southern California in 1990. He is authorized to practice in all California courts, as well as in the U.S. District Courts for the Northern and Eastern Districts of California and the U.S. Court of Appeals for the 9th Circuit.Beyond his legal practice, Mr. O'Brien actively participates in several professional organizations, including the American Board of Trial Advocates, the American Association for Justice, the Capitol City Trial Lawyers Association and the Consumer Attorneys of California. Furthermore, he boasts a "Superb" score on Avvo and has achieved an AV Preeminent* peer-review rating through Martindale-Hubbell.*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer-review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories – legal ability and general ethical standards.