Bo Cooper

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...

Kimberly A. Parker is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Kimberly A., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kimberly A. is held by other top lawyers in the same geographic and legal practice area.

Steve Roberts is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Steve, 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 Steve is held by other top lawyers in the same geographic and legal practice area.

Alan Winston Granwell is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Alan Winston, who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alan Winston is held by other top lawyers in the same geographic and legal practice area.

Kobie is, first and foremost, a trial lawyer, with over twenty-five years of courtroom experience. Kobie has litigated cases in federal and state courts throughout the United States and in the military commissions in Guantanamo Bay. He represents clients in high-stakes criminal investigations, civil litigation, internal investigations, and trials. Recognized by his peers for his trial acumen, Kobie teaches the art and science of trial lawyering to other lawyers around the country. Kobie began...

Ronald C. Machen is a top attorney recognized by Best Lawyers in the practice area(s) of Securities Regulation. Ronald C., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ronald C. is held by other top lawyers in the same geographic and legal practice area.

With a legal career beginning in 1988, Tom Teodori serves as a shareholder at CHASENBOSCOLO Injury Lawyers in Greenbelt, Maryland. He dedicates his practice to advocating for individuals involved in negligence and personal injury cases. His legal experience encompasses a wide range of cases, including catastrophic injury, construction and workplace injuries, transportation accidents involving airplanes, buses, and trains, product liability, wrongful death, and medical product injuries. Tom's ...

David Cavanaugh has broad legal experience in industry and private practice and provides clients with strategic, business-focused counseling in the procurement, management and exploitation of their intellectual property. He has extensive experience in all aspects of intellectual property practice, including IP litigation, patent procurement, technology transfer and licensing, and due diligence for corporate transactions. Mr. Cavanaugh has developed and implemented intellectual property strate...

Patricia M. Weaver is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Bet-the-Company Litigation, Commercial Litigation and Mediation. Patricia M., who practices law in Bethesda, Maryland, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia M. is held by other top lawyers in the same geographic and legal practice area.

Marc Fiedler is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Marc, who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc is held by other top lawyers in the same geographic and legal practice area.