PTThe Paper Trail Project
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 Aug 31, 2026

Source-backed chronology

Career Timeline

Dates not reported

Chief of Staff to Joe Courtney, Legislative Assistant to John Larson, Staff Assistant to Linda Sanchez

Federal government

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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 lobbyist

Federal LDA filings

Lobbying Activity

LEIDOS2nd Quarter (Apr 1 - June 30) 2024

Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense

Issues regarding maritime issues.

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) 2024

Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense

Issues regarding maritime issues. Intel on AF STAFDEL. Analysis OT&E budgets.

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 ↗
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 ↗
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 ↗
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 ↗
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 ↗
LEIDOS4th Quarter (Oct 1 - Dec 31) 2024

Registrant: AMERICAN DEFENSE INTERNATIONAL · Defense

Issues regarding maritime issues.

LDA filing ↗
Primary Source ↗