Cardinal Walter Kasper, President Emeritus of the Pontifical Council for Promoting Christian Unity, was born on March 5, 1933 in Heidenheim/Brenz, Germany. He was ordained for the Diocese of Rottenburg-Stuttgart on April 6, 1957 and holds a doctorate in theology from the Theological Faculty of Tübingen.
For three years he was an assistant to Leo Scheffczyk and Hans Küng before receiving his "habilitation" with a thesis on the philosophy and theology of history in Schilling's later philosophy. He taught dogmatic theology and was dean of the theological faculty in Münster and later in Tübingen.
He was appointed Bishop of Rottenburg-Stuttgart on April 17, 1989 and received episcopal consecration on June 17. In 1994 he was named co-chair of the International Commission for Lutheran/Catholic Dialogue. On June 1, 1999 he was appointed Secretary of the Pontifical Council for Promoting Christian Unity.
On March 3, 2001 he was named President of the Pontifical Council for Promoting Christian Unity.
Created and proclaimed Cardinal by John Paul II in the consistory of February 21, 2001, of the Deaconry of Ognissanti in Via Appia Nuova (All Saints in Via Appia Nuova). Ten years later, on Febuary 21, 2011, he was appointed Cardinal-Priest of Ognissanti in Via Appia Nuova.
- Congregations: for the Doctrine of the Faith; for the Oriental Churches;
- Pontifical Councils: for Culture, for Legislative Texts; for Inter-religious Dialogue;
- Supreme Tribunal of the Apostolic Signatura;
- XI Ordinary Council of the General Secretariat of the Synod of Bishops;
- Special Council for Lebanon of the General Secretariat of the Synod of Bishops.