Sean T. Prosser

Amy K. Todd is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Amy K., who practices law in San Diego, California, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy K. is held by other top lawyers in the same geographic and legal practice area.

Christopher W. Olmsted is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Christopher W., who practices law in San Diego, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher W. is held by other top lawyers in the same geographic and legal practice area.

Mary R. Robberson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Mary R., who practices law in San Diego, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mary R. is held by other top lawyers in the same geographic and legal practice area.

In his law practice, HFM Partner Bruce O’Brien’s focuses on all aspects of federal and state taxation, with a particular emphasis on tax controversies, partnerships, limited liability companies, and business planning. Mr. O’Brien represents taxpayers before the Internal Revenue Service, Franchise Tax Board, and State Board of Equalization. He also represents clients before the United States Tax Court, and he is a certified specialist in Taxation Law. Additionally, Mr. O&rsqu...

Dick Semerdjian is a founding partner of Schwartz Semerdjian and heads up the firm’s litigation department. Dick’s clients range from Fortune 100 and 500 publicly traded companies to small businesses and individuals. Dick is also experienced in both plaintiff and defense side work which lends to his unique ability to formulate creative and effective legal and resolution strategies in even the most complex of litigation matters. Over the span of his over 31 year career, Dick has be...

Deyan P. Spiridonov is a member of the firm’s Mergers & Acquisitions practice. He is a member of the California State Bar Association. Deyan practices in the area of mergers and acquisitions and has represented public and private companies in the telecommunications, semiconductor, software, technology-related defense contracting, biotechnology and financial industries. Mr. Spiridonov has experience in structuring and negotiating all aspects of acquisition transactions, including sto...

Joshua Patashnik is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Joshua, who practices law in San Diego, California, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joshua is held by other top lawyers in the same geographic and legal practice area.

Lonny Zilberman has been practicing employment law for over 30 years and is a partner in the firm's Employment Law Practice Group. Lonny works with employers to find practical, cost-effective strategies to their workplace problems. Lonny is an expert storyteller. Every organization has a story to tell: the value created for customers; the contributions made to communities; the opportunities created for employees. If an employer is not telling their story well, then an adversary will tell a di...

William Low practices in the areas of complex tort and business litigation, with a current emphasis on professional liability, privacy, information security, product liability, and healthcare. Mr. Low, an HFM Partner, also serves as general counsel for the firm, a role in which he regularly advises the firm’s lawyers on issues related to ethics, conflicts of interest and professional responsibility. In addition, he has served as an expert witness in legal malpractice cases. Throughout h...

As a defensive back on the West Point football team, Kevin Quinn never failed to offer opposing runners a hand up after he had knocked them down. Such sportsmanlike conduct has carried over to Kevin’s career as a trial lawyer. Today, many cases he handles result from referrals from attorneys that he has bested in the courtroom. Kevin came to California as a result of a shoulder injury incurred while playing football as a defensive back for the United States Military Academy at West Poin...