Mark O'Connor

Beus Gilbert PLLC
701 N. 44th Street
Phoenix, AZ 85008-6504
(480) 429-3019

PLAINTIFF'S PERSONAL INJURY & WRONGFUL DEATH - Aviation Disasters, Dram Shop/Bar, Drug Litigation, Fire and Explosions, Fraud and Commercial Torts, Insurance and Bad Faith, Legal and Other Professional Liability, Medical Malpractice, Motor Vehicle/Motorcycle/Commercial Trucking Collisions, Negligence, Nursing Home/Elder Abuse, Police Officer and Other Government Liability, Products Liability, Sexual Misconduct

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.

In July 2002, Mark undertook the pro bono representation of victims and families of the September 11, 2001 terrorist attacks to the Victim's Compensation Fund. He is currently listed in the 2013 edition of “The Best Lawyers in America,” and the 2013 edition of “Southwest Super Lawyers.”


Arizona, 1986
U.S. District Court, District of Arizona, 1986

State Bar of Arizona, Member
Maricopa County Bar Association, Member
Arizona Association for Justice also known as Arizona Trial Lawyers Association, Board of Directors
American Association for Justice, Member


AV Preeminent Peer Review Rating, Martindale-Hubbell
The Best Lawyers in America®, Personal Injury Litigation - Plaintiffs, 2009-2014
"Southwest Super Lawyers", 2009-2013
Arizona's Finest Lawyers, 2011


36 G&K Attorneys Named to 2014 Best Lawyers in America® List, August 15, 2013
Twenty Gallagher & Kennedy Attorneys Selected for Southwest Super Lawyers 2013 and an Additional Nine Attorneys Named Southwest Rising Stars 2013, April 12, 2013
Nearly Two-Thirds of G&K's Shareholders Named “Best Lawyers in America”, August 22, 2012
Nineteen G&K Attorneys Named “Super Lawyers”, April 16, 2012
More Than Half of G&K's Shareholders Named “The Best Lawyers in America”, August 31, 2011


The State Bar of Arizona Professionalism Course, Continuing Legal Education (CLE) by the Sea, panelist
Arizona's Top Ten-How They Did It, panelist
Truck Litigation from Start to Finish in Arizona and Keys to Effective Expert Witness Examination in Arizona, speaker
Arizona State Bar's Courtroom Evidence seminar, speaker
Healthcare Communication and Medical Malpractice, speaker


Certified Specialist, Personal Injury/Wrongful Death, Arizona Board of Legal Specialization