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About me

Languages spoken: French, Spanish

Practice areas


  1. DUI & DWI: 50%
  2. Criminal Defense: 34%
  3. Media: 16%

Attorney endorsements

11 total 

Are you an attorney? Endorse this lawyer

  • Josephine Frances Maria Bidwill

    Mr. DuBiel is a fantastic DUI attorney who is well versed on the law and extremely knowledgeable about the underlying science of DUIs. He has extensive experience trying DUI cases and I would highly recommend him to anyone who has been charged with a DUI.


    Josephine Bidwill Criminal defense Attorney
    Relationship: Fellow lawyer in community

  • Jayme L. Lehman

    Mark's dedication to his clients and their cases is unparalleled. As a DUI attorney, he has learned the ins and outs of the science presented in the courtroom, and his expertise is sought out by other attorneys across the nation. I have learned extensively from Mark and am pleased to recommend him to anyone facing criminal charges.


    Jayme Lehman Criminal defense Attorney
    Relationship: Co-worker

Contact info

3420 E Shea Blvd Suite 103
Phoenix, AZ, 85028-3851


AZActive 199604/24/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Peer Review RatedMartindale-Hubbell2016
Work experience
TitleCompany nameDuration
PrincipalLaw Offices of Mark D. DuBiel2001 - 2016
Association namePosition nameDuration
DUI Defense Lawyers AssociationArizona Attorneys for Criminal Justice2000 - Present
Publication nameTitleDate
Thomson West publication"Witness Preparation and Examination for DUI Proceedings"2015
Medical Trial Technique Quarterly (Thomson West)"Understanding DUI Scientific Evidence"2014
School nameMajorDegreeGraduated
University of Arizona College of LawLawJD - Juris Doctor1995
University of ArizonaPolitical ScienceBA - Bachelor of Arts1992
Speaking engagements
Conference nameTitleDate
DUI Defense Lawyers AssociationScience 101: How basic science can help your client2016