Brett T. Donaldson
Brett T. Donaldson
Senior Member

Representative Experience

Brett Donaldson’s civil practice is primarily focused in the areas of claims and defenses involving motor vehicle collisions, insurance defense/special investigation/fraud and also in areas of contracted agreements.  Mr. Donaldson has extensive trial experience and has tried more than 60 jury trials to date with excellent results for his clients who are both individual and corporate clients.

In addition to his civil practice, Brett T. Donaldson practices in the area of criminal defense.  He has tried dozens of serious felony cases, and has extensive trial experience in both non-jury trials and other criminal defense matters.  Mr. Donaldson previously served as a Deputy County Attorney with the Maricopa County Prosecutor’s Office and was assigned to the Family Violence Bureau in the Major Crimes Division.  Mr. Donaldson’s recent experience in criminal matters includes:

  • Defense of business-related fraud, theft and embezzlement
  • Defense of individuals charged with drug and alcohol offenses
  • Defense of assault related offenses
  • Defense of felony and misdemeanor domestic violence offenses
  • Defense of sex offenses
  • Defense of juvenile offenses
  • Defense of vehicular offenses; misdemeanor and felony DUI offenses

Before becoming a prosecutor, Mr. Donaldson served as a sworn police officer in southern California and graduated number one in his police academy.  Mr. Donaldson’s experience as a police officer allows for additional insight in identifying the strengths and weaknesses of the police investigation.

Mr. Donaldson effectively plans and executes trial strategies and utilizes strong negotiation skills to obtain pre-trial resolutions.  While an early dismissal is certainly desirable, he will not hesitate to go to trial to get the best results for his clients.

Mr. Donaldson has a reputation within the legal community of being an honest, smart, and hard-working trial attorney.  He has a passion for his clients and dedicates 100% to the defense of any client represented by his firm.  Interested parties should contact him directly to discuss any legal issue that they may be facing to determine whether he may be of assistance.

Associations & Activities

  • State Bar of Arizona
  • National Association of Criminal Defense Lawyers

Awards & Recognition

  • U.S, Marine Corp., 1987-1994
  • Super Lawyer Rising Star, 2012

Bar Admissions

  • Arizona, 2002

Court Admissions

  • U.S. District Court of Arizona, 2005


  • Thomas M. Cooley (J.D., cum laude, 2002)
  • University of Michigan (B.A., 1999)


News & Publications

The Cavanagh Law Firm is Home to 23 Super Lawyers (2015 list)

Each year, no more than five percent of the lawyers in the state are selected by the research team at Super Lawyers to receive this honor.

Brett Donaldson Named as Super Lawyer Rising Star

A firm attorney was named as 2012 Rising Stars by Southwest Super Lawyer.  Brett Donaldson was selected in the Criminal Defense category. To be selected for this honor, peers are asked to nominate the best among attorneys who are 40 or younger, or who have been...