Diane Major is named as a lobbyist on federal disclosure filings for 5 clients through The D Major Group. The most recent filing naming them posted in October 2026. Issues reported include Medicare/Medicaid, Health Issues, Budget/Appropriations and Trade (domestic/foreign).
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| HEALTH CARE SERVICE CORPORATION, A MUTUAL LEGAL RESERVE COMPANY (HCSC) | THE D MAJOR GROUP | Q3 2026 | Insurance, Medicare/Medicaid |
| EMD SERONO, INC. | THE D MAJOR GROUP | Q3 2026 | Defense, Health Issues, Budget/Appropriations |
| THE DOCTORS HOSPITAL AT RENAISSANCE | THE D MAJOR GROUP | Q3 2026 | Medicare/Medicaid, Health Issues, Budget/Appropriations |
| HEALTH CARE SUPPLY CHAIN ASSOCIATION | THE D MAJOR GROUP | Q3 2026 | Trade (domestic/foreign), Medicare/Medicaid, Health Issues |
| BANNER HEALTH | THE D MAJOR GROUP | Q3 2026 | Taxation/Internal Revenue Code, Medicare/Medicaid, Health Issues |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 5 | 1 |
| 2025 | 5 | 1 |
| Year | Items | Total |
|---|---|---|
| 2026 | 13 | $15K |
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 Diane Major. See the Capitol Clarity rankings and method.