Gregg has extensive senior executive-level leadership and management experience, leading and directing large, complex defense and intelligence community organizations in operational, joint, and NATO environments. He is a retired Major General with more than 32 years of military and intelligence community experience, including command roles and numerous Director of Intelligence (J2) positions at the tactical, operational, and strategic levels.

Notable assignments include ISAF CJ2 Afghanistan, Commanding General of the Intelligence Center of Excellence and Fort Huachuca, Vice J2 on the Joint Staff, and J2 for European Command and Joint Special Operations Command. His final active-duty assignment was as the Director of Signals Intelligence for the National Security Agency. He also has significant experience in cybersecurity. After retiring from active duty, Gregg joined Northrop Grumman, where he serves on the Army Customer Relations team. In this role, he helps develop, grow, and guide Army business across the company.

Gregg graduated from the University of Vermont with a BS in Forestry and earned an MS in Strategy from the U.S. Army War College in Carlisle, Pennsylvania.