Mark S. O’Connor


Mark is a certified specialist who practices personal injury and wrongful death litigation.  Prior to joining Gallagher & Kennedy, Mark was in private practice for 23 years. He has represented both plaintiffs and defendants in hundreds of litigation matters during his career.  Mark continues to represent victims of catastrophic injury and wrongful death, medical malpractice, nursing home negligence and vulnerable adult abuse, motor vehicle accidents, trucking and transportation accidents, product liability, premises liability, police misconduct, governmental liability and dram shop liability.  He has served as lead counsel in numerous jury trials.

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  • John Marshall Law School
    J.D., with distinction, 1986
  • Northern Arizona University
    B.S., 1978

Mark S.O'Connor