All lobbying filings

RIDGELINE ADVOCACY GROUP LLC

Lobbying for AMBER SEMICONDUCTOR, INC · AmberSemi is a leading developer of patented, innovative solid-state technologies.

Filing 2nd Quarter - Report

Reporting period

2nd Quarter 2026

Apr 1 - June 30 · Posted Jul 20, 2026

Income

$10,000.00

What the client paid this registrant for the period.

Client based in

California

Official filing document

Lobbyists on this filing 1

BRYAN ZUMWALT

Previously held: Chief Counsel, Sen. Comm on Small Business and Entrepreneurship; Chief Counsel, Sen. Comm on Environment and Public Works; Counsel, Sen. David Vitter; Counsel, Rep. Bilbray; Clerk, Comm on Natural Resources

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 4

Commerce, Dept of (DOC)
Energy, Dept of
SENATE
White House Office

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

Lobbying activity 1

Science/Technology

Issues related to semiconductor R&D and power density technologies in data centers

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