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Practice areas


  1. Criminal Defense: 50%
  2. Speeding Ticket: 25%
  3. DUI & DWI: 25%

Attorney endorsements

2 total 

Are you an attorney? Endorse this lawyer

  • John R Gaertner

    Mark is an excellent attorney. He is intelligent, thoughtful, fair minded and a skilled trial attorney. I strongly endorse him.


    John Gaertner Family Attorney
    Relationship: Worked together on matter

  • John J Volin

    I endorse this lawyer. Mark is an outstanding lawyer. I have referred several clients to him over the years and will continue to recommend him when someone needs a criminal defense attorney. I know I can recommend him and be confident that he will provide a through defense and put his knowledge of the law and the legal system to work for my client.


    John Volin Trusts Attorney
    Relationship: Fellow lawyer in community

Contact info

Mark S. Williams

16515 S. 40th Street
Suite 107
Phoenix, AZ, 85048


AZActive 197904/24/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Association namePosition nameDuration
Maricopa County Bar AssociationMemberN/A
National Association of Criminal Defense LawyersMemberN/A
School nameMajorDegreeGraduated
Arizona State University Sandra Day O'Connor College of LawLawJD - Juris Doctor1979
Northern Arizona UniversityN/ABA - Bachelor of Arts1976