Frederick L. "Fred" Klein

Charles C. Speth is a top attorney recognized by Best Lawyers in the practice area(s) of Qui Tam Law. Charles C., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles C. is held by other top lawyers in the same geographic and legal practice area.

Venroy July differentiates his practice through his recognition of the interplay of business and legal considerations in the current economic climate, thereby positioning himself to effectively work with clients to develop the appropriate strategies to accomplish their business goals. Venroy’s diverse practice and experience has seen him advise clients operating in the government contracting, transportation, cybersecurity, banking and technology industries on an array of matters includi...

Donald R. McMinn litigates a variety of complex civil matters. He has considerable experience defending clients involved in MDL proceedings, from the petition for MDL status through the trial or settlement of “bellwether” plaintiffs. He leads both Firm attorney teams and local counsel teams in implementing a unified and consistent strategy across multiple jurisdictions in which simultaneous litigation is proceeding. He conducts depositions, develops expert testimony concerning cau...

A former Assistant United States Attorney, Justin Dillon now uses his years of litigation and investigative experience to defend clients in complex, high-stakes white-collar criminal and campus discipline cases. Justin combines a meticulous approach to investigating the facts with a deep knowledge of criminal and administrative procedure to vigorously protect his clients’ futures and reputations. Justin represents people in some of the toughest situations they will ever face. He has gai...

Christopher Mangin, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law and Mergers and Acquisitions Law. Christopher, who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.

Benjamin Grosz is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Tax Law. Benjamin, who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benjamin is held by other top lawyers in the same geographic and legal practice area.

Molly T. Senger is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Molly T., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Molly T. is held by other top lawyers in the same geographic and legal practice area.

Lee G. Petro is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Lee G., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lee G. is held by other top lawyers in the same geographic and legal practice area.

Louis Mazawey brings decades of experience as an authority on the tax aspects of employee benefits in all forms to his work at Groom. As counsel to major insurance companies and a variety of plan sponsors—including corporate employers, trade associations, and public retirement systems—Lou has worked closely with qualified plans, 403(b) and 457 plans, IRAs, employee stock ownership plans, executive compensation, retiree medical benefits, plan terminations, mergers and spinoffs, the...

John R. Woodrum is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. John R., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John R. is held by other top lawyers in the same geographic and legal practice area.