Shannan Dugan

Shannan Dugan is a former Assistant District Attorney in the San Francisco District Attorney’s Office and has specialized primarily in criminal defense for the last 20 years. She has handled hundreds of criminal cases from pre-filing negotiations to jury trial.  She has helped clients in all types of cases, from driving under the influence, possession and sale of narcotics, theft, domestic violence, assault and battery, sexual assault,  multi-defendant federal drug and conspiracy cases to homicide.  Ms. Dugan has represented clients throughout California, including San Francisco, Alameda, Contra Costa, San Mateo, Napa, Santa Clara, San Joaquin, Solano, Sacramento, and Los Angeles counties, as well as in select out-of-state cases.

Ms. Dugan is known as a tenacious and passionate advocate who always goes the extra mile for her clients.  Her knowledge from being both a prosecutor and a defense attorney, and her extensive courtroom experience, allow her to get the best possible result for people facing criminal charges.

Ms. Dugan has been a member of the Board of Directors of the San Francisco Trial Lawyer’s Association for over ten years and the editor of its quarterly magazine, “The Trial Lawyer.”  She has published articles on various criminal law issues, and has also been a featured speaker on topics such as cross examination.

Ms. Dugan is “AV” rated by Martindale-Hubbell, the highest rating possible.  The “AV” rating identifies a lawyer with very high to preeminent legal ability, and is a reflection of their expertise, experience, integrity and overall professional excellence.  It indicates the highest professional and ethical standards and is the result of extensive peer review by other lawyers.

Ms. Dugan has her own firm and also handles the criminal cases that are referred to Winer, Burritt and Scott, LLP.  This allows the firm to take on significant criminal cases when a client or client’s friend or family member develops problems in this area of the law.
Ms. Dugan can be reached through Winer, Burritt and Scott, LLP or at:

Law Offices of Shannan Dugan
655 Montgomery Street, Suite 1200
San Francisco, CA 94111
Telephone: (415) 291-9260

Areas of Practice

  • Criminal Defense

Honors and Awards

  • “AV” rated by Martindale-Hubbell

Professional Associations and Memberships

  • San Francisco Trial Lawyer’s Association, Board of Directors Member
  • National Association of Criminal Defense Lawyers

Past Employment Positions

  • San Francisco District Attorney’s Office, Assistant District Attorney