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Suite 1600
Phoenix, AZ 85004-2553
Wickenburg Office:
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Wickenburg, AZ 85390
Tucson Office:
One S. Church Ave.
Suite 1900
Tucson, AZ 85701-1627
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Séan P. O'Brien
Séan P. O'Brien
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Creditors' Rights
Alternative Dispute Resolution

Martindale  Super Lawyers  Best Lawyers
Séan P. O'Brien
Séan P. O'Brien is the Chair of the firm's Litigation Practice Group and the Chair of the Bankruptcy, Restructuring and Creditors' Rights Practice Group. He focuses his practice on commercial bankruptcy, restructuring, creditors' rights, related litigation, appeals as well as mediation. Séan represents institutional clients, corporations, partnerships and individuals in all areas of creditor and debtor relations.

Séan is an approved panel ADR mediator for the United States Bankruptcy Court. He routinely handles ADR matters in disputes dealing with commercial and consumer bankruptcy, restructuring, and creditors’ rights.

Séan is Board Certified in Business Bankruptcy Law by the American Board of Certification, an American Bar Association-accredited program. He is AV® Preeminent™ rated by Martindale-Hubbell®, representing the highest rating in legal ability and ethical standards and also recognized in the Bankruptcy and Creditor-Debtor Rights Law category of The Best Lawyers in America® and Southwest Super Lawyers®.

Marquette University (B.S., Accounting, 1982)
Valparaiso University School of Law (J.D., 1985) Articles Editor, Valparaiso University Law Review

Arizona (1986)
U.S. District Court, District of Arizona (1987)
U.S. Court of Appeals, Ninth Circuit (1987)
U.S. Supreme Court (1998)

State Bar of Arizona (Past Chair and Executive Committee Member, Bankruptcy Law Section)
Maricopa County Bar Association (Member, Bankruptcy Law Section)
American Bar Association
American Bankruptcy Institute
Turnaround Management Association
Ninth Circuit Court of Appeals, Lawyer Representative (2017-2020)
U.S. Bankruptcy Court, District of Arizona, Panel ADR Mediator (Compensated and Uncompensated)
Arizona Celtic Bar Association
Arizona Bankruptcy American Inn of Court (Master 2013–2015, Emeritus)
Arizona Celtic Bar Association

Phoenix Downtown YMCA (Executive Committee; past Chair, Board of Directors)