All lobbying filings

RUBRUM ADVISING

Lobbying for HARRISON.AI · AI diagnostic tools

Filing 4th Quarter - Report

Reporting period

4th Quarter 2025

Oct 1 - Dec 31 · Posted Jan 20, 2026

Income

$10,000.00

What the client paid this registrant for the period.

Client based in

Delaware

Official filing document

Lobbyists on this filing 1

TRISTEN TELLMAN

Previously held: NIH Office of Legislative Policy and Analysis, Policy Analyst; Health Policy Fellow (un-paid), House Energy & Commerce Committee

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 3

Food & Drug Administration (FDA)
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 1

Health Issues

Citizen petition on a 510(k) exemption pathway for CAD/CADt radiology devices

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