Chertoff Group Adds Three New Senior Advisors with Extensive National Security Expertise

WASHINGTON, April 22, 2025 /PRNewswire/ -- The Chertoff Group, a global security and growth advisory firm, is pleased to announce the addition of three distinguished senior advisors to its team. Amb. Nathan Sales, Jay Humphlett and John Mulligan bring diverse expertise to further enhance the firm's capabilities.

"We are very pleased to welcome Nathan, Jay and John to our outstanding team of Senior Advisors. Each of them brings deep insights and valuable experience that will greatly benefit our clients," said Chad Sweet, CEO and co-founder.

Ambassador Nathan Sales served at the U.S. Department of State as acting Under Secretary for Civilian Security, Democracy, and Human Rights. Concurrently, he was Ambassador-at-Large and Coordinator for Counterterrorism, serving as the principal advisor to the Secretary of State on international counterterrorism matters and leading the State Department's Counterterrorism Bureau.

"It's an incredible opportunity to be a part of this talented team. I look forward to helping Chertoff Group clients advance their missions and manage geopolitical risks," said Sales.

A business transformation expert, Jay Humphlett led high-impact strategic capture initiatives at Raytheon and Dataminr. He began his career as a F-14 Tomcat RIO where he graduated from TOPGUN. After the Navy, he worked in venture capital, held executive P&L positions at Raytheon, founded a private equity and consulting firm, served as President for a special mission aviation firm and then as CEO for a premier provider of intelligence-driven global health protection. 

"I'm thrilled to join The Chertoff Group as a strategic advisor. I've worked with the Chertoff team as a client on numerous occasions during my career. I've always been impressed with their team's expertise, passion and ability to "move the needle," said Humphlett.

John Mulligan is the former Deputy Director of the National Counterterrorism Center and former Chief of National Security Agency Counterterrorism. He helped develop multiple government-wide strategic plans and operations to counter threats to the U.S. homeland. He also served as a member of NSA's Board of Directors, leading the Agency's Engagement and Policy Directorate.

"I'm delighted to join The Chertoff Group to help clients better understand how to mitigate cyber threats and thrive in the national security business environment," Mulligan said.

About The Chertoff Group

The Chertoff Group is a global leader in security. Our team of recognized experts helps organizations to manage cyber, physical, regulatory and geopolitical risks. Through our business development practice, we enable our clients to gain competitive advantage and accelerate growth. Our private equity business focuses on investments in companies in the defense technology, government services and cybersecurity sectors. Together we enable a more secure world. Learn more at Chertoffgroup.com and follow The Chertoff Group on LinkedIn.

SOURCE The Chertoff Group