All lobbying filings

CORNERSTONE GOVERNMENT AFFAIRS, INC.

Lobbying for GLOBAL SEA MINERAL RESOURCES NV · Minerals and natural resources

Filing 3rd Quarter - Termination

Reporting period

3rd Quarter 2025

July 1 - Sep 30 · Posted Oct 13, 2025

Income

$30,000.00

What the client paid this registrant for the period.

Representation ended

Aug 31, 2025

The registrant reported terminating its work for this client.

Official filing document

Lobbyists on this filing 2

TYLER BRIAN NELSON

Previously held: Chief of Staff House Member Office, Deputy Chief of Staff House Member Office, District Director (Olson)
BRENT GREENFIELD

Previously held: Special Counsel, Federal Communications Commission

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.

Government bodies contacted 2

HOUSE OF REPRESENTATIVES
SENATE

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when.

Lobbying activity 3

Natural Resources

Implementation of Inflation Reduction Act, polymetallic nodule recovery and domestic refining.

Marine/Maritime/Boating/Fisheries

Implementation of Inflation Reduction Act, polymetallic nodule recovery and domestic refining.

Energy/Nuclear

Implementation of Inflation Reduction Act, polymetallic nodule recovery and domestic refining.

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