Cardinal Kurt Koch, prefect of the Vatican Dicastery for Promoting Christian Unity, and the Rev. Anne Burghardt, general secretary of the Lutheran World Federation, pray during an ecumenical service at the LWF assembly in Krakow, Poland (19 Sept. 2023). Photo credit: Albin Hillert/LWF

Cardinal Kurt Koch, prefect of the Vatican Dicastery for Promoting Christian Unity, speaking at the LWF assembly in Krakow, Poland (19 Sept. 2023). Photo credit: Albin Hillert/LWF

Cardinal Koch, Prefect of the Dicastery for Promoting Christian Unity (Roman Catholic Church) delivers greetings from Pope Francis of the Roman Catholic Church to the WCC 11th Assembly during its first thematic plenary, focused on Care for Creation. The 11th Assembly of the World Council of Churches is held in Karlsruhe, Germany from 31 August to 8 September, under the theme \'Christ\'s Love Moves the World to Reconciliation and Unity\' (1 Sept. 2022). Photo credit: Albin Hillert/WCC

Cardinal Kurt Koch, president of the Pontifical Council for Promoting Christian Unity, seen speaking in a March 2017 photo (Mar. 2017). Photo credit: CNS/Jens Schulze

Swiss Cardinal Kurt Koch, president of the Pontifical Commission for Religious Relations with Judaism, prefect of the Dicastery for Promoting Christian Unity, and a member of the Congregation for the Doctrine of the Faith. Photo credit: CNS