Dedicated DUI Defense Attorney Backed by Seasoned Experts in California DUI Law

Expert Profilesundefined

Alan McCann

Alan McCann was a member of the San Francisco Police Department for 33 years and has more than a decade's worth of experience as an investigator. Trained in accident investigation and reconstruction, Mr. McCann has conducted over 1,000 DUI investigations and made over 600 DUI arrests. Mr. McCann holds basic, intermediate, and advanced POST (Peace Officer’s Standards and Training) Certificates. He was also awarded the San Francisco Police Department’s highest honor, the Gold Medal of Valor.

Hallee Weingartenundefined

Forensic toxicologist, Halle Weingarten, formerly headed the DUI break alcohol testing program at the Santa Clara County Crime Laboratory. She has trained police officers how to properly use the breath testing devices employed in DUI investigations, and was responsible for maintaining the devices used in Santa Clara County.

She has qualified as an expert in DUI cases in California Superior Courts and her articles have been published in scientific journals. Furthermore, Ms. Weingarten is a lecturer and teacher to other scientists regarding the field of forensic toxicology.

Paul Cavalleroundefined

Investigator Paul Cavallero has conducted over 200 DUI investigations and regularly testifies in court as a witness on behalf of our clients. As a member of our firm for over 3 ½ years, he is responsible for gathering client discovery, delivering client motions to all Bay Area county courthouses, and photographing arrest locations.

Why Choose Our Firm?

Attorney Robert Tayac Puts a Long, Decorated Career to Work for You
  • Puts Over 20 Years of Experience Toward Your Case

  • Specialized Education in DUI Defense

  • Has Trained Other Attorneys in San Francisco

  • Former San Francisco Police Officer & Police Inspector

  • Certified by the SFPD on the Intoxilyzer 5000 Testing Device

  • Co-Authored the 4th Edition of California Drunk Driving Defense

  • Boasts a Successful Record Achieving the Best Result for His Clients

  • Takes the Time to Understand You & Your Case

Client Testimonials

  • “His in depth knowledge and expertise within his field, along with deep and lasting relationships with the District Attorneys office and everyone involved are without a doubt unmatched.”

    S.M.

  • “Without Mr Tayac's knowledge and drive to succeed, I most likely would not be able to write this review today.”

    Dave

  • “These clients have called me to thank me for referring them to the Law offices of Robert Tayac.”

    R.R., Attorney at Law

Contact Us Today

Your Strong Defense Starts with a Case Evaluation
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