About Ronald Michael

Ronald Michael Dinan is a seasoned criminal defense attorney based in Santa Rosa, California. With over 50 years of experience, he has dedicated his career to defending clients against many criminal charges, including DUI and DWI offenses. Mr. Dinan earned his undergraduate degree from the University of Miami. He developed a foundational understanding of law and justice. He later pursued his Juris Doctor at Oklahoma City University Law School, graduating with the skills necessary to navigate complex legal matters. Admitted to the California State Bar in 1976, Mr. Dinan has maintained an active membership, reflecting his commitment to the legal profession.

As the founder of Ronald Dinan & Associates, he has established a law firm with offices across Northern California. The firm operates in several counties, including Sonoma, Napa, Lake, Mendocino, Humboldt, and Marin. Throughout his extensive career, Mr. Dinan has handled over 12,000 cases. This gives a deep knowledge of the California justice system. This extensive casework includes various practice areas, including criminal defense, criminal appeals, drug crimes, expungement, fraud, gun crimes, internet crimes, sex crimes, theft, and violent crimes. His diverse expertise allows him to address the needs of each client. Mr.

Dinan is also an active member of several professional organizations that advocate for criminal defense attorneys. He is affiliated with the California Attorneys for Criminal Justice, the National Association of Criminal Defense Lawyers, and the National College for DUI Defense. These memberships not only enhance his professional network but also keep him informed about the latest developments in criminal law. His involvement in these organizations shows his commitment to staying at the forefront of legal practices and advocacy. In 2013, Mr. Dinan founded the VA Free Legal Access Clinic, which offers free legal services to veterans at the Santa Rosa office of the Veterans Administration. This initiative reflects his dedication to giving back to the community and supporting those who have served the country. Fluent in English, he ensures that language barriers do not impede access to justice for his clients.

Additionally, he offers free consultations to prospective clients, making his services accessible to a broader audience. For more information or to schedule a consultation, individuals can contact his office at (707) 571-5550. Mr. Dinan's experience and unwavering dedication to his clients have established him as a respected figure in the field of criminal defense in Northern California. His commitment to justice—coupled with a knowledge of the law—makes him a reliable advocate for those facing criminal charges.

Education

Univ of Miami

Undergraduate Degree

Oklahoma City Univ Law School

Law Degree

Languages

English (Spoken, Written)

Accepted Jurisdictions

California

Court Admissions

California State Bar State Supreme Court · Admitted 1976

Types of Cases Handled

Criminal Defense Criminal Appeals Drug Crimes Expungement Fraud Gun Crimes Internet Crimes Sex Crimes Theft Violent Crimes

Legal Services Scope

Trial Appeal

Office Locations

Main Office

 411 Russell Avenue Suite 113 Santa Rosa CA 95403

Office 2

 1034 Walnut Street Suite 102 Napa CA 94559

Office 3

 95 Third Street Suite 300 Lakeport CA 95453

Office 4

 705 North State Street Suite 136 Ukiah CA 95482

Office 5

 917 Third Street Suite 100 Eureka CA 95501

Office 6

 4040 Civic Center Drive Suite 200-A San Rafael CA 94903