Gupta Wessler Nabs High Court Justice Department Veteran (1)

Nov. 17, 2025, 4:05 PM UTCUpdated: Nov. 17, 2025, 7:54 PM UTC

A seasoned advocate with thirteen US Supreme Court arguments on his resume has joined plaintiff-side Washington appellate boutique Gupta Wessler LLP, the firm announced Monday.

Matt Guarnieri is joining as a principal, adding another oral advocate to a practice that is already a routine high court player. In a social media post announcing the hire, the firm said its lawyers have now argued 33 cases before the high court—the most in recent years among plaintiff-side groups.

“Matt’s move marks a historic moment, the first time an attorney has transitioned from the Solicitor General’s Office to an appellate practice devoted exclusively ...

Learn more about Bloomberg Law or Log In to keep reading:

See Breaking News in Context

Bloomberg Law provides trusted coverage of current events enhanced with legal analysis.

Already a subscriber?

Log in to keep reading or access research tools and resources.