Andrew Sorkin

Amy E. Totten approaches every case by carefully considering all perspectives involved. As a former prosecutor, she understands the importance of thorough preparation for trial and thoughtful analysis, particularly when clients are facing significant, life-changing circumstances. Her ability to anticipate opposing arguments allows her to develop practical strategies tailored to each client’s situation. Over more than two decades in legal practice, Amy has handled thousands of matters ra...

Melinda R. Coolidge is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Melinda R., 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 Melinda R. is held by other top lawyers in the same geographic and legal practice area.

Barry J. Hurewitz is a partner in the firm's Regulatory and Government Affairs and Transactional Departments, and a member of the Defense, National Security and Government Contracts and Cybersecurity, Privacy and Communications Groups. He is also a member of the firm's FinTech Group. He joined the firm in 1994.

Joel R. Grosberg is co-head of McDermott’s Antitrust Mergers Focus Group and assists clients on civil and criminal antitrust matters, including obtaining merger clearances, counseling and litigation. He has represented clients in obtaining antitrust approvals in numerous challenging transactions, and in other government antitrust investigations before the Department of Justice, the Federal Trade Commission (“FTC”) and foreign competition authorities. Joel has significant exp...

Seth Waxman is a former federal prosecutor and nationally recognized white collar criminal defense with more than two decades of experience handling high profile sensitive criminal and civil matters. Seth handles a wide array of challenging cases, ranging from the Flint water criminal investigation to complex internal investigations for Fortune 500 companies. Seth is a seasoned trial lawyer, having been lead counsel in more than sixty jury trials, thirty bench trials, and fifteen matters on a...

David C. Kully is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. David 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 David C. is held by other top lawyers in the same geographic and legal practice area.

Anthony E. DiResta is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Anthony E., 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 Anthony E. is held by other top lawyers in the same geographic and legal practice area.

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

Jonathan C. Puth is a founding member of Correia & Puth and is an advocate for the civil rights of employees in the Washington, DC area and nationally. Mr. Puth has successfully represented clients subjected to sexual harassment, workplace discrimination, and whistleblower retaliation, and employees seeking unpaid wages and commissions. Mr. Puth also represents executives, and negotiates employment contracts and severance agreements. Employee Rights Lawyer Serving the Greater Washington D...

John A.C. Keith is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Legal Malpractice Law - Defendants, Litigation - Trusts and Estates and Trusts and Estates. John A.C., who practices law in Fairfax, Virginia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John A.C. is held by other top lawyers in the same geographic and legal practice area.