Michael R. Marrinan

John Hammerstrand is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. John, who practices law in San Diego, California, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Frederick W. Kosmo Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Frederick W., who practices law in San Diego, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frederick W. is held by other top lawyers in the same geographic and legal practice area.

Agustín Ceballos is a Shareholder and Chair of Buchalter’s Latin America practice group and a member of the Corporate and Tax, Benefits and Estate Planning practice groups.

Jack Ko is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Jack, who practices law in San Diego, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jack is held by other top lawyers in the same geographic and legal practice area.

Jason Dawson is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Jason, who practices law in San Diego, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason is held by other top lawyers in the same geographic and legal practice area.

Michael J. Gleason is an AV-rated trial and appellate lawyer with over 20 years of experience handling key areas of business litigation, including consumer class action defense, California’s Proposition 65, product liability, fraud, real estate, escrow, and title insurance. He serves as Partner-in-Charge of Hahn Loeser’s San Diego office, is founder of the firm’s Proposition 65 defense group, and a member of the San Diego Litigation Team, which is ranked among the Top Tier P...

William P. Harris III is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. William P., who practices law in San Diego, California, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William P. is held by other top lawyers in the same geographic and legal practice area.

In his practice, HFM Partner James “Jim” Peterson focuses on business and employment litigation. Mr. Peterson advises and litigates disputes for a number of business clients on various aspects of the employment relationship, including misappropriation of trade secrets and proprietary information, protection of customer lists and employees, discrimination, sexual harassment, breach of contract, wage and hour laws, and wrongful termination. Mr. Peterson is an expert on employment-re...

Charles G. La Bella is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Charles G., who practices law in San Diego, California, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles G. is held by other top lawyers in the same geographic and legal practice area.

Chris Hoffman is the founding and managing partner of the San Diego office. He has represented hundreds of employers in matters ranging from class action litigation, to traditional labor matters and general employment advice. While litigation remains a significant portion of his practice, Chris also spends a significant amount of time counseling clients regarding day-to-day employment issues and assisting them to find practical and proactive solutions to their legal problems. Chris was select...