Hector J. Diaz, Partner


Hector J. Diaz practices in the area of white collar crime/special matters. He has extensive jury, non-jury experience in white collar and criminal defense matters. Mr. Diaz has significant experience in handling internal investigations related to alleged corporate and tribal government misconduct. He previously served as a Deputy Public Defender with the Maricopa County Public Defender's Office. Mr. Diaz's recent experience includes:

  • Defense of federal and state criminal offenses.
  • Defense of federal RICO charges.
  • Defense of government and city officials involving criminal and civil litigation.
  • Defense of medical professionals, including both administrative and criminal litigation.
  • Defense of financial crimes.
  • Defense of business-related fraud and embezzlement.
  • Defense of individuals charged with drug offenses.
  • Defense of aggravated assault.
  • Felony and misdemeanor domestic violence offenses.
  • Defense of homicide and sex offenses.
  • Defense of vehicular offenses; misdemeanor and felony DUI/manslaughter offenses.
  • Defense of students facing expulsion for alleged disciplinary infractions.
  • Defense of professional and collegiate athletes involving both civil and criminal litigation.
  • Defense of individuals charged with computer-related crimes.
  • Victim representation involving theft and employee criminal misconduct.
  • Internal investigations related to corporate and tribal government misconduct.

Legal Services

Education and Honors

  • University of Arizona–James E. Rogers College of Law (J.D., 2000)
  • Arizona State University (B.S., cum laude, 1995)

Bar Admissions

  • Arizona

Court Admissions

  • U.S. District Court, District of Arizona, 2006

Professional and Civic Activities

  • Maricopa County Bar Association (Member)
  • Los Abogados (Member)
  • Capitol Elementary School (Homeroom Parent)

Professional Recognition

  • Listed in The Best Lawyers in America® (2019-present: Criminal Defense: White-Collar)


  • Spanish
Payment Portal

You are leaving the Quarles & Brady website and being directed to the bill presentment and paying service offered by a third party provider. If you do not wish to continue to the site, click Close or use the Back button on your web browser to return the Quarles & Brady website.