However, he has worked on various Curial committees, as a member of the Congregation of Divine Worship and Discipline of the Sacraments and the Congregation for the Clergy among others.

BBC: Humble Francis brings both change and continuity

Cardinal Ratzinger was named the prefect of the Congregation for the Doctrine of the Faith, making him Catholicism's theological watchdog in charge of monitoring and disciplining clergy who advocated teachings that ran contrary to Vatican positions.

WSJ: Pope Defended Church Teachings