Mark S. O'Connor

Beus Gilbert McGroder PLLC
Beus Gilbert McGroder PLLC
701 N 44th St, Phoenix, AZ 85008 United States
(480) 429-3019
Website

PRACTICE AREAS:

AVIATION DISASTERS | CONSTRUCTION ACCIDENTS | DRAM SHOP/BAR | DRUG AND MEDICAL DEVICE LITIGATION | FIRE AND EXPLOSIONS | INSURANCE AND BAD FAITH | LEGAL AND OTHER PROFESSIONAL LIABILITY | MEDICAL MALPRACTICE | MOTOR VEHICLE AND COMMERCIAL TRUCKING COLLISIONS | NEGLIGENCE | NURSING HOME AND ELDER ABUSE | DEFECTIVE PRODUCTS | SEXUAL ASSAULT/MISCONDUCT | WRONGFUL DEATH


COMMERICIAL LITIGATION


ADMISSIONS:

U.S. District Court – District of Arizona | Supreme Court of the State of Arizona


EDUCATION:

Northern Arizona University - B.S. | John Marshall Law School, J.D., with distinction


Personal Experience

Mark S. O’Connor is a highly experienced trial attorney and member of Beus Gilbert McGroder PLLC, a premier boutique law firm concentrating on High Stakes Litigation, Real Estate and Zoning Law, and Plaintiffs Catastrophic Injury & Wrongful Death. Mr. O’Connor is a member of the firm’s High Stakes Litigation and Plaintiffs Catastrophic Injury & Wrongful Death practices. He is a certified specialist in the area of personal injury and wrongful death litigation by the State Bar of Arizona and has represented hundreds of victims of catastrophic injury and wrongful death throughout his career and served as lead trial counsel in numerous jury trials.  


On March 21, 2017, Mark was appointed co-lead counsel for Plaintiffs in the multi-district litigation In Re: Bard IVC Filters Products Liability Litigation and co-liaison counsel in the related consolidated cases in the Maricopa County Superior Court. In March 2018, Mark and his trial team obtained a $3.6 million award in the first bellwether trial of the multi-district litigation. The June 2019 issue of Arizona Attorney included this verdict as one of the top ten civil verdicts in Arizona in 2018. The same article noted the award included the largest award of punitive damages in Arizona in 2018. 


In July 2002, Mark undertook the pro bono representation of victims and families of the September 11, 2001 terrorist attacks for the Victim Compensation Fund. He is listed in “The Best Lawyers in America,” “Southwest Super Lawyers,” and “Top 100 Trial Lawyers.” In 2014, he was also elected by his peers as a Fellow of the International Society of Barristers. In 2022, Mark was named as one of the 500 Leading Plaintiff Consumer Lawyers by Lawdragon, one of the most prestigious legal publications in America.


Admissions

U.S. District Court – District of Arizona

Supreme Court of the State of Arizona


Education

Northern Arizona University – B.S.

John Marshall Law School, J.D., with distinction


Professional Distinctions

AV Preeminent Peer Review Rating, Martindale-Hubbell

The Best Lawyers in America®, Personal Injury Litigation – Plaintiffs, 2009-2023

Southwest Super Lawyers®, Personal Injury – General: Plaintiff, 2009-2020

Arizona Finest Lawyers, 2011; Arizona Finest Lawyers, Sustaining Member, 2014-Present

Selected by Law Dragon as one of the 500 Leading Plaintiff Consumer Lawyers

The National Trial Lawyers Association, The Top 100 Trial Lawyers in America


Memberships & Activities

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

International Society of Barristers, Fellow


Publications

Informed Consent, NALA Facts & Findings, March/April 2015


Other

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

American Bar Association, Litigation Section, 2021 Virtual Section Annual Conference, The Polarization of American Jurors

National Trial Lawyers Summit 2020; Important Pre-Trial Strategies: Focus Groups, Demonstratives, Negotiations, and Finishing Touches; Creating, Developing, and Testing Case and Damages Themes

The State Bar of Arizona Professionalism Course, Continuing Legal Education (CLE) by the Sea, panelist

Arizona’s Top Ten-How They Did It, panelist




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