Adam R. Leighton

Adam S. Caldwell is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Adam S., 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 Adam S. is held by other top lawyers in the same geographic and legal practice area.

Rebecca Geller is an award-winning attorney, a philanthropist, a trailblazer, and a passionate advocate for equality and human rights. Rebecca is also a devoted wife, mom to three young kids + a dog, and community leader. While working as a corporate lawyer for an AmLaw 100 firm, Rebecca witnessed brilliant women fleeing the profession because big law firm partners showed disregard for attorneys’ lives outside the firm. As the mother of a baby and toddler at the time, Rebecca knew there...

Katlin McKelvie is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Katlin, 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 Katlin is held by other top lawyers in the same geographic and legal practice area.

Larry Gage is a senior counsel in the firm’s Washington, D.C. office whose practice is focused primarily on public sector and nonprofit health law and policy. In 1981, Larry founded the National Association of Public Hospitals and Health Systems (NAPH)(an organization now known as America’s Essential Hospitals). He served as president of that organization for over 30 years, developing and achieving enactment of Medicare and Medicaid reimbursement reforms that are the economic life...

Carolyn B. Gleason is Co-head of the Firm’s Trade, Agriculture and EU Regulatory Practice Group. Read full biography: https://www.mwe.com/people/gleason-carolyn-b/

For more information, please visit www.gibsondunn.com/lawyer/walker-helgi-c/ .

Jonathan C. Drimmer is a partner in the firm's Washington, D.C., office, where he resolves anti-corruption, business and human rights and other complex cross-border challenges with the benefit of having sat in every chair at the table: senior legal officer for a global 500 company, federal prosecutor, and seasoned advocate. He is a frequent speaker, author, and commentator on issues related to anti-corruption and business and human rights, and represents and advises companies, individuals, mu...

Louis Bograd is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Plaintiffs. Louis, 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 Louis is held by other top lawyers in the same geographic and legal practice area.

Paul Oosterhuis is a senior international tax partner representing clients on a wide range of international and U.S. tax matters. Mr. Oosterhuis has extensive experience in international mergers and acquisitions, post-acquisition integration transactions, spin-offs, internal restructurings and joint venture transactions. He also represents multinational companies in nontransactional international tax planning and IRS controversy matters. In recent transactions, Mr. Oosterhuis has represented:...

David Schertler is widely recognized as one of the top white–collar criminal defense attorneys in the Washington area and nationwide. He founded Schertler & Onorato, LLP, in 1996 and has built the firm’s reputation as a premier litigation boutique through his broad experience with criminal and civil investigative and trial matters and the results that he has achieved for his clients. Mr. Schertler is known for his skilled and tenacious representation of individuals and entitie...