John Sandweg

John Sandweg is a partner at Nixon Peabody LLP and leader of the firm’s Cross-Border Risks team. With deep expertise in immigration, national security, regulatory compliance, and international disputes, John counsels corporations, governments, and high-profile individuals on complex legal matters at the intersection of U.S. and global law. His practice spans government investigations, white-collar defense, CFIUS issues, supply chain risk, and DHS compliance, making him a trusted advisor for clients navigating high-stakes cross-border legal challenges.

John earned his J.D. from Arizona State University School of Law and holds a B.A. from Arizona State University.

Before moving into private practice, John held senior leadership roles at the U.S. Department of Homeland Security (DHS), including Acting Director of U.S. Immigration and Customs Enforcement (ICE) and Acting General Counsel of DHS. At ICE, he led a global workforce of 20,000 employees operating in 47 countries, directing high-impact missions in immigration enforcement, cybersecurity, international trade, and intellectual property protection. At DHS, he served as a key legal and policy advisor to top federal officials, guiding strategic decisions with both national and international reach.

John is a frequent commentator on immigration and national security issues, regularly appearing on major news outlets such as CNN, MSNBC, CBS, NPR, and Bloomberg. He has provided legal perspective on executive orders, asylum policy, deportation enforcement, and cross-border investment regulation. His insights have influenced policy and public discourse during pivotal moments in U.S. immigration history.

Licensed in the District of Columbia and recognized by Best Lawyers in America® for Immigration Law (2024), John Sandweg delivers strategic, experienced, and informed legal counsel to clients confronting complex and evolving legal environments. His combination of high-level government experience and private sector insight makes him a leading authority in cross-border legal strategy and compliance.

Law Office Affiliations

• Partner, Nixon Peabody

Licensed State

• District of Columbia

Education

• Arizona State University School of Law
  Juris Doctor (JD)
• Arizona State University
  Bachelor of Arts (BA)

Awards & Badges