Pope Leo XIV has appointed Sister Alessandra Smerilli as prefect of the Dicastery for Promoting Integral Human Development, replacing retiring Cardinal Michael Czerny, and named Cardinal Fabio Baggio as pro-prefect. These changes are confirmed by Vatican News and Breitbart. Multiple details including exact timing, Smerilli's nationality and prior roles, Czerny's age, and Baggio's additional mandate remain unverified beyond a single source.