Collin Vierra

Daniel Olmos is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Daniel, who practices law in Palo Alto, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Kathleen Strickland is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Kathleen, who practices law in Menlo Park, California, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathleen is held by other top lawyers in the same geographic and legal practice area.

Christina Pearson is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Christina, who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christina is held by other top lawyers in the same geographic and legal practice area.

Mark R.S. Foster is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Mark R.S., who practices law in Palo Alto, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark R.S. is held by other top lawyers in the same geographic and legal practice area.

James F. Valentine is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. James F., who practices law in Palo Alto, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James F. is held by other top lawyers in the same geographic and legal practice area.

Commercial litigator Adam Trigg represents directors, officers, and founders in complex securities litigation, shareholder disputes, business divorces, and other intracompany controversies. His Silicon Valley-based clients include executives and leaders of venture capital, life sciences, biotechnology, and high-tech companies. Securities Litigation and SEC Investigations Adam has defended numerous officers, directors, and companies in securities class actions, shareholder derivative actions, ...

Tyler represents plaintiffs and defendants in civil cases, public entity litigation, and high-stakes disputes. His clients range from individuals and closely held businesses to Fortune 500 companies. Tyler also frequently represents defendants and victims in criminal cases. His combined civil and criminal practices have helped him gain considerable experience in courtrooms throughout the Bay Area. His representation of criminal defendants facing potential civil claims, and civil clients with ...

Lloyd Winawer is known for his work on complex business litigation and investigations. Lloyd focuses on disputes arising from mergers and acquisitions and other commercial transactions and securities law matters. Lloyd is the leader of Bergeson’s M&A Dispute Resolution Group. Lloyd has significant expertise in M&A disputes, having litigated and advised on numerous post-closing controversies related to earnouts, purchase price adjustments, contingent value rights, milestone and p...

Ken D. Kumayama is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Ken D., who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ken D. is held by other top lawyers in the same geographic and legal practice area.

Dan Barton has practiced criminal defense in the mid-peninsula since 1988. He received his A.B., magna cum laude, in 1983 from Brown University, where he was elected to Phi Beta Kappa and awarded the Prize for Academic Excellence in Latin American Studies. Mr. Barton received his J.D. from Stanford Law School in 1988, where his honors included induction into the Order of the Coif. Mr. Barton is a criminal law specialist certified by the California State Bar Board of Legal Specialization and a...