Dr. Paul N. Stockton is the President of Paul N Stockton LLC, a strategic advisory firm in Santa Fe, NM. From 2009-2013, Dr. Stockton served as Assistant Secretary of Defense for Homeland Defense and Americas' Security Affairs, where he helped lead the Department's response to Hurricane Sandy. He was responsible for Defense Critical Infrastructure Protection, Western Hemisphere security policy, domestic crisis management, continuity of operations planning, and a range of other responsibilities. While Assistant Secretary, Dr. Stockton also served as Executive Director of the Council of Governors. After serving as Assistant Secretary, Dr. Stockton was the Managing Director of Sonecon LLC, an advisory firm in Washington, D.C. from 2013 - 2020.

In September 2013, Secretary of Defense Chuck Hagel appointed Dr. Stockton to co-chair the Independent Review of the Washington Navy Yard Shootings, which recommended major changes to the Department's security clearance system that are now being implemented.

Also, since June 2022, he has been a Board Member of the Reserve Forces Policy Board, which serves as an independent advisor to Secretary of Defense on Reserve and National Guard matters.

Dr. Stockton is the Chair of the Grid Resilience for National Security subcommittee of the Department of Energy's Electricity Advisory Committee. He is a Senior Fellow at the Johns Hopkins University Applied Physics Laboratory. He also serves on the Board of Directors for Analytic Services Inc. and the National Institute for Hometown Security and on advisory boards for the Idaho National Laboratory and other organizations.

(As of June 2022)