All lobbying filings

RUBRUM ADVISING

Lobbying for HARRISON.AI · AI diagnostic tools

Filing Registration

Reporting period

3rd Quarter 2025

July 1 - Sep 30 · Posted Jan 20, 2026

Money reported

None

Registrations and no-activity reports carry no figure.

Client based in

Delaware

Official filing document

Lobbyists on this filing 1

TRISTEN TELLMAN New on this filing

Previously held: Legislative Analyst, NIH OLPA; Health Policy Fellow (unpaid), House Energy & Commerce, Health Subcommittee

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

Health Issues

FDA regulation of CAD/CADt devices in radiology

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