Matthew Helder
Address:
1201 F St NW
Suite 480
Washington, DC 20004
United States
Telephone:
202-661-7618
Email:
matthew.b.helder@gsk.com
Temporary address during session:
United States
Matthew Helder
Lobbying since: 2020
Matt Helder is a lobbyist on behalf of GSK.
This lobbyist certified completion of required code of conduct training on 01/06/2025.
Monthly lobbying reports
Reports filed 2016 and later can be found in the Lobbyist Reporting History dataset.
Reports for periods prior to 2016 are available in our advanced search by searching for the lobbyist by name.
Lobbyist employers
The list below includes all employers for 2016 and later. Employers for periods prior to January 2016 are available in the historical archive.
| Employer | Employment Registration | Years Employed |
| AMERICAN CANCER SOCIETY CANCER ACTION NETWORK | View report | 2020, 2021, 2022, 2023, 2024 |
| GLAXO SMITHKLINE | View report | 2024, 2025, 2026 |