Hillary A. Webber is a partner in the law firm of McDermott Will & Emery LLP and is based in the Firm's Washington, D.C. office. She focuses her practice on antitrust litigation, healthcare antitrust counseling, representing clients in civil.

Ian John is an antitrust and competition partner in the New York office of Kirkland & Ellis LLP.

Ian Simmons is a partner in O’Melveny’s Washington, DC office and a member of the Antitrust and Competition Practice. An alumnus of the US Department of Justice, Antitrust Division, Ian has over twenty years of experience in antitrust litigation.

Irv is considered an antitrust icon, with many decades of extensive experience in counseling and all phases of antitrust, marketing, and trade practice litigation and appeals, often as lead counsel in multi-party matters.

Israel J. Encinosa is a partner in the firm's South Florida Litigation Practice Group and focuses primarily on complex civil litigation matters, with a particular emphasis on international, cross-border and investor dispute litigation.

Ivan Wood is senior counsel in the Firm's Houston office and is a member of the Health Law Group. He represents clients in the health care industry, including hospitals, ambulatory care facilities, home care providers and physicians.

Brent focuses his practice on antitrust and trade regulation, class action litigation, and complex commercial litigation. His practice has included representation of clients before the U.S. Department of Justice, Federal Trade Commission.

Bruce McDonald represents energy, transportation, and telecommunications companies in antitrust government investigations and enforcement actions, merger reviews, and antitrust private litigation.