As co-chair of the Appeals and Issues Team, Jonathan helps clients design winning legal strategies in appeals and high-stakes litigation. Jonathan has argued nine cases before the U.S. Supreme Court and filed more than 150 briefs at the merits and certiorari stages before the Court. He has handled appeals and dispositive motions in other federal courts and state courts across the country. He has significant experience nationally in assisting clients in formulating appellate strategy, both in pending appeals and at the trial court level before judgment. And he has challenged and defended federal agency actions at every level of the federal judiciary.

Before joining McGuireWoods, Jonathan served in the Office of the Solicitor General in the U.S. Department of Justice. As an Assistant to the Solicitor General, Jonathan represented the federal government before the Supreme Court and helped oversee the government’s appellate litigation in lower courts throughout the country. He briefed and argued cases involving patent and copyright law, constitutional law, administrative law, ERISA, international arbitration, securities regulation, and other areas of federal law.

Jonathan graduated first in his class from the University of Pennsylvania Law School and has served as a lecturer at the school. After graduation, Jonathan served as a law clerk to John G. Roberts, Jr., Chief Justice of the United States, and to Judge A. Raymond Randolph of the U.S. Court of Appeals for the D.C. Circuit. He also previously served as a Bristow Fellow in the Office of the Solicitor General. He holds a bachelor’s degree in computer science from North Carolina State University.

Vin Weber is a Partner at Mercury in Washington, D.C. He provides strategic advice to institutions with matters before the legislative and executive branches of the federal government. Vin has successfully advised numerous clients on matters pertaining to mergers & acquisitions, crisis management, strategic communications and international strategies.

Hon. Toby Moffett is a Partner at Mercury based in Washington, DC, joining the firm with an extensive career in government service as well as the private sector, including six years as the leading Democratic government affairs professional at the global law firm Mayer Brown, as well as serving as Chairman of the House Subcommittee on Environment, Energy and Natural Resources and as the top government affairs executive at The Monsanto Company.