Criminal Defense Attorney


Tel: 480-280-8028>



Criminal Litigation

  • Criminal Defense (Felony and Misdemeanor Cases)
  • Appeals and other Post-Conviction Relief


Pennsylvania State University’s Dickinson School of Law – Juris Doctor
The Ohio State University – Undergraduate


Arizona 2017

Phoenix Criminal Defense Attorney

John D. Gattermeyer is a successful criminal defense attorney who handles major felonies and appeals at the Law Offices of David A. Black.   He has represented hundreds of clients charged with a wide range of criminal offenses, litigating many through to completion and jury acquittal.

John joined the firm after spending several years as a Maricopa County Public Defender, where he gained invaluable experience as a criminal defense lawyer. He excelled in his work as a Public Defender, handling major felony cases and trying a substantial number to verdict.  He has also drafted and filed multiple Special Actions, Habeas Corpus Petitions, and a Petition for Review to the Arizona Supreme Court.  John has also provided formal training to other criminal defense lawyers in legal writing and substantive legal issues.

Outside of the office, John spends time with his family, usually hiking or exploring the Valley’s vast and wonderful food scene.


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