Documented in an LDA filing dated Jan 19, 2026
Sourced institutional rolesLDA lobbying records
NEIL MCKIERNAN
NEIL MCKIERNAN appears as a registered lobbyist in federal Lobbying Disclosure Act records connected to organizations tracked by Paper Trail.
Data updated Nov 1, 2026
Source-backed chronology
Career Timeline
Prior government service disclosed in an LDA filing; exact dates not reported
Chief of Staff to Joe Courtney, Legislative Assistant to John Larson, Staff Assistant to Linda Sanchez
Federal government
Inspect source ↗Documented in an LDA filing dated Apr 18, 2025
Registered lobbyist
Inspect source ↗Documented in an LDA filing dated Jan 16, 2024
Registered lobbyist
Inspect source ↗Documented career transitions
Revolving Door
Congress → Lobbying
Federal governmentChief of Staff to Joe Courtney, Legislative Assistant to John Larson, Staff Assistant to Linda Sanchez↓LeidosRegistered lobbyistFederal LDA filings
Lobbying Activity
LEIDOS2nd Quarter (Apr 1 - June 30) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues regarding maritime issues.
LDA filing ↗LEIDOS3rd Quarter (July 1 - Sep 30) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues regarding maritime issues. Intel on AF STAFDEL. Analysis OT&E budgets.
LDA filing ↗AMAZON WEB SERVICES2nd Quarter (Apr 1 - June 30) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act (NDAA) and Department of Defense Appropriations Act issues related to DOD Cloud Computing and modernization.
LDA filing ↗AMAZON WEB SERVICES4th Quarter (Oct 1 - Dec 31) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues related to DOD Cloud Computing and modernization.
LDA filing ↗AMAZON WEB SERVICES3rd Quarter (July 1 - Sep 30) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act, issues related to DOD Cloud Computing and modernization.
LDA filing ↗AMAZON WEB SERVICES4th Quarter (Oct 1 - Dec 31) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act, issues related to DOD Cloud Computing and modernization.
LDA filing ↗SPACEX3rd Quarter (July 1 - Sep 30) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to the National Security Space Launch.
LDA filing ↗LEIDOS4th Quarter (Oct 1 - Dec 31) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues regarding maritime issues.
LDA filing ↗AMAZON WEB SERVICES1st Quarter (Jan 1 - Mar 31) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
H.R. 2670: National Defense Authorization Act (NDAA) and HR 4636, Department of Defense Appropriations Act issues related to DOD Cloud Computing
LDA filing ↗SPACEX4th Quarter (Oct 1 - Dec 31) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to the National Security Space Launch.
LDA filing ↗SPACEX2nd Quarter (Apr 1 - June 30) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to the National Security Space Launch.
LDA filing ↗SPACEX1st Quarter (Jan 1 - Mar 31) 2026
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to the National Security Space Launch.
LDA filing ↗LEIDOS4th Quarter (Oct 1 - Dec 31) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act and Department of Defense Appropriations Act, issues relating to maritime budget, port security, and hypersonics.
LDA filing ↗LEIDOS1st Quarter (Jan 1 - Mar 31) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act and Department of Defense Appropriations Act, issues relating to maritime budget, port security, and hypersonics.
LDA filing ↗LEIDOS3rd Quarter (July 1 - Sep 30) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act and Department of Defense Appropriations Act, issues relating to maritime budget, port security, and hypersonics.
LDA filing ↗LEIDOS1st Quarter (Jan 1 - Mar 31) 2026
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act and Department of Defense Appropriations Act, issues relating to maritime budget, port security, and hypersonics.
LDA filing ↗AMAZON WEB SERVICES4th Quarter (Oct 1 - Dec 31) 2023
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
H.R. 2670: National Defense Authorization Act (NDAA), issues related to DOD Cloud Computing. HR 4636, Department of Defense Appropriations Act issues related to DOD Cloud Computing
LDA filing ↗AMAZON WEB SERVICES3rd Quarter (July 1 - Sep 30) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues related to DOD Cloud Computing and modernization.
LDA filing ↗AMAZON WEB SERVICES1st Quarter (Jan 1 - Mar 31) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act, issues related to DOD Cloud Computing and modernization.
LDA filing ↗AMAZON WEB SERVICES2nd Quarter (Apr 1 - June 30) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act, issues related to DOD Cloud Computing and modernization.
LDA filing ↗AMAZON WEB SERVICES1st Quarter (Jan 1 - Mar 31) 2026
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act, issues related to DOD Cloud Computing and modernization.
LDA filing ↗AMAZON WEB SERVICES2nd Quarter (Apr 1 - June 30) 2026
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
FY27 National Defense Authorization Act (HR 8800 / S 4784), issues related to DOD Cloud Computing and modernization.
LDA filing ↗SPACEX1st Quarter (Jan 1 - Mar 31) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Science/Technology
Meetings with officials regarding space launch and high-speed satellite internet issues.
LDA filing ↗SPACEX3rd Quarter (July 1 - Sep 30) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to the National Security Space Launch.
LDA filing ↗SPACEX2nd Quarter (Apr 1 - June 30) 2026
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
FY27 Department of Defense Appropriations Bill (HR 9495), provisions relating to underwater submersibles.
LDA filing ↗SPACEX4th Quarter (Oct 1 - Dec 31) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to the National Security Space Launch.
LDA filing ↗LEIDOS2nd Quarter (Apr 1 - June 30) 2026
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to maritime budget, port security, and hypersonics.
LDA filing ↗SPACEX1st Quarter (Jan 1 - Mar 31) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
Issues relating to the National Security Space Launch.
LDA filing ↗SPACEX1st Quarter (Jan 1 - Mar 31) 2024
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act for FY24, provisions relating to the National Security Space Launch.
LDA filing ↗LEIDOS2nd Quarter (Apr 1 - June 30) 2025
Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense
National Defense Authorization Act and Department of Defense Appropriations Act, issues relating to maritime budget, port security, and hypersonics.
LDA filing ↗