All lobbying filings

KLEIN/JOHNSON GROUP

Lobbying for POTOMAC HOLDINGS, LLC · Infrastructure development in aviation and other sectors

Filing Registration

Reporting period

3rd Quarter 2025

July 1 - Sep 30 · Posted Oct 8, 2025

Money reported

None

Registrations and no-activity reports carry no figure.

Client based in

Virginia

Official filing document

Lobbyists on this filing 6

KATE LYNCH New on this filing

Previously held: Senior Leg. Asst., Rep John Larson; Leg. Asst., Rep Niki Tsongas; Leg. Asst., Rep. Martin Meehan
MATTHEW JENNINGS New on this filing

Previously held: Staff Assistant/Legislative Staff Assistant, House Transportation Committee; Legislative Assistant, Congressman Henry Brown.
IAN RAYDER New on this filing

Previously held: Deputy Chief of Staff, Rep. Debbie Wasserman Schultz
ISRAEL S KLEIN New on this filing

Previously held: Deputy Staff Director, Joint Economic Committee, Chairman Chuck Schumer; Senior Communications Advisor, Rep. Ed Markey; Communications Director, Sen. Chuck Schumer; Press Secretary and Legislative Assistant, Rep. Ed Markey.
MATTHEW LEE JOHNSON New on this filing

Previously held: Chief Counsel, Sen. John Cornyn; Senate Judiciary Committee
KELLI BRIGGS New on this filing

Previously held: Chief of Staff, Rep. Pat Tiberi; DC Chief of Staff, Rep. Tiberi; Deputy Chief of Staff, Rep. Tiberi; Legislative Director, Rep. Tiberi; Legislative Assistant, Rep. Tiberi; and Staff Assistant, Rep. Tiberi.

A "covered position" is a government job the lobbyist held in the 20 years before registering, which the law requires them to name. See the revolving door for former members of Congress across all filings.

Lobbying activity 1

Aviation/Airlines/Airports

U.S. airport infrastructure investments and contracts.

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.