() Internal drama and chaos led to the firings of two top aides at the Department of Health and Human Services, a source tells .

An HHS spokesperson confirmed that Chief of Staff Heather Flick Melanson and Deputy Chief of Staff Hannah Anderson were fired by Health Secretary Robert F. Kennedy Jr.

Effective immediately, Matt Buckham will serve as acting chief of staff.

Buckham currently serves as the secretary’s White House liaison, overseeing the recruitment and onboarding of political appointees across the agency.

“He brings valuable experience in personnel strategy and organizational management to this new role,” the spokesperson said in a statement to . “Secretary Kennedy thanks the outgoing leadership for their service and looks forward to working closely with Mr. Buckham as the Department continues advancing its mission to Make America Healthy Again.”