Mark Thomas Elsesser is named as a lobbyist on federal disclosure filings for 1 client through American Physical Society. The most recent filing naming them posted in October 2026. Issues reported include Energy/Nuclear, Immigration, Defense and Budget/Appropriations.
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| AMERICAN PHYSICAL SOCIETY | AMERICAN PHYSICAL SOCIETY | Q3 2026 | Immigration, Budget/Appropriations, Education |
| 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 Mark Thomas Elsesser. See the Capitol Clarity rankings and method.