As Ambassador to Mexico, Deputy Secretary Landau presided over the United States’ largest diplomatic mission and fostered unprecedented bilateral cooperation that yielded results including the ratification and entry into force of the U.S.-Mexico-Canada Free Trade Agreement, protection of border commerce and regional supply chains during the pandemic, and the lowest levels of illegal migration in years.

Concordia Horizon Summit: United States Report Now Live
The 2026 Concordia Horizon Summit: United States brought together leaders from business, government, and civil society in Dallas-Fort Worth to examine the forces reshaping the global economy and the opportunities emerging from a

