Lobbyist

WARREN, MARK

COVERED POSITION(S)
  • CHF TAX COUNSEL, SEN FIN COMM
  • SR TAX COUNSEL, SEN THUNE
  • TAX COUNSEL, HS W&M COMM
  • DEP ASST SEC, DEPT OF TREAS, LEG AFFAIRS
  • CHF COUNSEL, SEN REPUB POLICY COMM
  • STAFF DIR AND CHF COUNSEL, SEN SMALL BUS COMM
  • TAX & FINANCE COUNSEL, SEN SMALL BUS COMM

FILINGS KEY

Client Is Connected to China as Indicated in Filing
Client Is Connected to China as per Heritage Foundation Analysis
No Known Client Connection to China
Lobbying Terminated
Based on data as of March 9, 2026
Associated Filings (35)

Client
SUNRUN INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
TIAA

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
HIGHLY INNOVATIVE FUELS

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
False

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
HIGHLY INNOVATIVE FUELS
Chile
100.0

Lobbyists

View Filing

Client
MONOLITH MATERIALS INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
True

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
AZIMUTH CAPITAL MANAGEMENT
Canada
24.0

Lobbyists

View Filing

Client
DELL TECHNOLOGIES INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
DOUBLE DIAMOND CONSOLIDATED SELLER LLC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BLOOM ENERGY

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
UNIVERSAL CORPORATION

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2021

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MAXAR TECHNOLOGIES

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2022

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
PERNOD RICARD USA

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
False

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
PERNOD RICARD
France
100.0

Lobbyists

View Filing

Client
AGILENT TECHNOLOGIES

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
VOLLEY AUTOMATION

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
AMERICAN ELECTRIC POWER SERVICE CORPORATION

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ENBRIDGE

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
NORTHERN CALIFORNIA POWER AGENCY

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
True

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
LAKE CHARLES METHANOL II LLC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2023

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
TAX FAIRNESS FOR AMERICANS ABROAD

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2024

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
J&K FOUNDATION
Switzerland
0.0
NUNA BERG B.V.
Netherlands
100.0
NUNA INTERNATIONAL B.V.
Netherlands
100.0
WONDERLAND INTERNATIONAL AG
Switzerland
0.0

Lobbyists

View Filing

Client
CORNING INCORPORATED

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2024

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
REINSURANCE ASSOCIATION OF AMERICA

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
PROTECT COALITION

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
AZBRT INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
False

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
AXA XL GLOBAL SERVICES INC

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
True

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
AXA SA
France
100.0
XL GROUP LTD
Bermuda
100.0

Lobbyists

View Filing

Client
HYDROGEN JOBS NOW COALITION

Lobby Firm
BROWNSTEIN HYATT FARBER SCHRECK LLP

Filing Year
2025

Lobbying Terminated
True

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
HIGHLY INNOVATIVE FUELS
Chile
0.0

Lobbyists

View Filing