Clayton Mathew Barsoum is named as a lobbyist on federal disclosure filings for 1 client through Interactive Advertising Bureau, Inc.. The most recent filing naming them posted in October 2026. Issues reported include Consumer Issues/Safety/Products, Computer Industry and Science/Technology.
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| INTERACTIVE ADVERTISING BUREAU, INC. | INTERACTIVE ADVERTISING BUREAU, INC. | Q3 2026 | Science/Technology, Consumer Issues/Safety/Products, Computer Industry |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 1 | 1 |
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Clayton Mathew Barsoum. See the Capitol Clarity rankings and method.