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Scott Maasen

Scott Maasen is an honors graduate of Arizona State University in Tempe, Arizona. Mr. Maasen received his Bachelor of Science Degree in Political Science in 1993. While at ASU, he served as the student body president from 1992-1993. Mr. Maasen then received his Juris Doctorate Degree from California Western School of Law in San Diego, California. Prior to becoming an Arizona DUI defense attorney, Mr. Maasen worked as a DUI prosecutor for Maricopa County, and also worked for a local Maricopa County judge before starting his DUI and criminal defense firm in 2000.

Mr. Maasen is licensed to practice law in all courts in Arizona and California and is admitted to practice in the Federal District Court as well as the Ninth Circuit Court of Appeals. Mr. Maasen is currently a member of a number of professional organizations, including; the Arizona and California Bar Associations, the Association of Trial Lawyers of America, and the Maricopa County Bar Association.

Mr. Maasen has represented clients in all aspects of criminal law, including numerous misdemeanor and felony cases. Mr. Maasen is an experienced and skilled trial attorney and has been lead counsel in over 55 jury trials. Mr. Maasen is a member of the Scottsdale Bar Association.

Scott Maasen

Scott Maasen

Criminal Defense Lawyer

Office phone number: 480.778.1500

Scott A. Maasen and the Maasen Law Firm are AV® rated; the highest possible rating by Lexis Nexis Martindale-Hubbell®, and is listed in the Bar Register of Preeminent Lawyers®, Criminal Law Section. Certified Criminal Law Specialist* - through the Arizona Board of Legal Specialization is available.

Memberships and Associations

  • Arizona State Bar
  • California State Bar
  • AZ Attorneys for Criminal Justice
  • National Association of Criminal Defense Lawyers
  • Maricopa County Bar Association
  • Scottsdale Bar Association
  • Association of Trial Lawyers of America
  • National College of DUI Defense

Advanced Level DUI Training Programs

  • Instructor for DUI investigation and police procedure
  • DUI seminar speaker
  • HGN (eye test) certified
  • Field Sobriety Test certified
  • 50 hours advanced DUI legal education each year


Meet the Team

Dedicated to defending the rights of the accused impaired driver (DUI), as well as felony and misdemeanor criminal offenses.

Toni Gayton

Legal Assistant

Stephanie Cannon

Client Relations