Adam Yezerski is named as a lobbyist on federal disclosure filings for 21 clients through Cornerstone Government Affairs, Inc.. The most recent filing naming them posted in October 2026. Issues reported include Budget/Appropriations, Foreign Relations, Defense and Trade (domestic/foreign).
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| AMERICAN CRITICAL MINERALS ASSOCIATION | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Trade (domestic/foreign), Taxation/Internal Revenue Code, Environment/Superfund |
| PETROTEL INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Foreign Relations |
| NEW MEXICO STATE UNIVERSITY | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Science/Technology, Education, Budget/Appropriations |
| ULTRA FKA ULTRA ELECTRONICS - FLIGHTLINE SYSTEMS | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Defense, Budget/Appropriations |
| CARE ACTION | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Foreign Relations |
| BLUEPRINT BIOSECURITY ACTION | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Budget/Appropriations |
| LYTEN, INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Manufacturing, Energy/Nuclear, Budget/Appropriations |
| ALLIED UNIVERSAL SECURITY SERVICES LLC | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Trade (domestic/foreign) |
| PLAN INTERNATIONAL, USA OBO MODERNIZING FOREIGN ASSISTANCE | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Budget/Appropriations |
| MMV MEDICINES FOR MALARIA VENTURE | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Defense, Medical/Disease Research/Clinical Labs, Budget/Appropriations |
| ADOBE INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Budget/Appropriations |
| PELICAN ENERGY PARTNERS LP | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Defense, Energy/Nuclear, Waste (hazardous/solid/interstate/nuclear) |
| RCF MANAGEMENT L.L.C. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2026 | Science/Technology, Defense, Energy/Nuclear |
| LOUISIANA ENERGY SERVICES, LLC DBA URENCO USA | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q4 2025 | Trade (domestic/foreign) |
| JSI RESEARCH & TRAINING INSTITUTE, INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2025 | Foreign Relations, Medical/Disease Research/Clinical Labs, Health Issues |
| WORKDAY, INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2025 | Agriculture, Science/Technology, Intelligence |
| CRITICAL METALS CORP. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2025 | Communications/Broadcasting/Radio/TV, Trade (domestic/foreign), Budget/Appropriations |
| UNIVERSITY OF NOTRE DAME | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2025 | Foreign Relations |
| INTERNATIONAL COMMITTEE OF THE RED CROSS | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Foreign Relations, Budget/Appropriations |
| STARFIGHTERS SPACE, INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Aviation/Airlines/Airports, Medical/Disease Research/Clinical Labs, Budget/Appropriations |
| SANDY HOOK PROMISE FOUNDATION | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Firearms/Guns/Ammunition, Budget/Appropriations |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 12 | 1 |
| 2025 | 9 | 1 |
| Year | Items | Total |
|---|---|---|
| 2026 | 4 | $4K |
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 Adam Yezerski. See the Capitol Clarity rankings and method.