Patrick O'brien is named as a lobbyist on federal disclosure filings for 1 client through Holtec International. The most recent filing naming them posted in August 2026. Issues reported include Energy/Nuclear and Waste (hazardous/solid/interstate/nuclear).
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| HOLTEC INTERNATIONAL | HOLTEC INTERNATIONAL | Q2 2026 | Energy/Nuclear, Waste (hazardous/solid/interstate/nuclear) |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 1 | 1 |
| 2025 | 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 Patrick O'brien. See the Capitol Clarity rankings and method.