Executive Chairman

Mr. Lambert is the Managing Director of The Densmore Group, a national security and intelligence consultancy focused on strategy, transactions, and government compliance.

Mr. Lambert also currently serves as the Executive Chairman of VaultCo, the $12 billion public-private partnership established by EXIM to create a U.S. strategic mineral shock absorber to ensure the steady and reliable supply of material for U.S. manufactures.

From 2015-2019, he served as VP of Corporate Strategy at Northrop Grumman, his duties for the CEO included overall corporate strategy, M&A, strategic partnerships, and new market expansion.

In 2009 Mr. Lambert was appointed by Pres. Obama as the DASD for Manufacturing and Industrial Base Policy, a position he held through 2013. As the DASD, he served as the principal advisor to the USD (AT&L) on all matters relating to the defense industrial base, including industrial capabilities and assessments, defense M&A and preservation of essential industries. He was responsible for the oversight of transactions referred to CFIUS as well as domestic transactions which fell under HSR.

Mr. Lambert led Pres. Obama’s effort at the DoD to establish the first Manufacturing USA site. There are now 18 Manufacturing USA sites in 13 states. This activity was a component of his manufacturing portfolio, which included the oversight of the ManTech efforts as well as both Title I and III of the Defense Production Act (DPA).

In 2011 he was awarded the Secretary of Defense Medal for Outstanding Public Service and in 2013 he was awarded the Secretary of Defense Medal for Distinguished Public Service, the highest award from the Secretary available to a non-career civilian.

Prior to joining the DoD, Mr. Lambert spent 30 years working with defense and intelligence firms. From 1989 until 2007, he held positions of increasing responsibility at DFI International, a national security consultancy he built with the founder and which he assisted in selling in 2007 to a U.K. based company.

Mr. Lambert has significant experience working as a Board Member and Government Security Chairman of FOCI and NSA regulated companies.

He is a life member of the Council on Foreign Relations (CFR), a Senior Associate (non-resident) at the CSIS, and Chairman of the Board of the Advanced Robotics Manufacturing Institute (ARM) led by Carnegie Mellon University. He also serves on the non-profit Boards of ASTRO America, the Stimson Center and the NDIA. In 2023 he was appointed by the Secretary of Defense as the Co-Chairman of the DSB Task Force on the 21rst Century Industrial Base for National Security which was released in 2025.