Walter Kasper is a cardinal in the Roman Catholic Church and president emeritus of the Pontifical Council for Promoting Christian Unity. He was born in 1933 in Brenz, Germany. He was ordained in 1957, and was a professor at Tübingen University for 25 years. In 1989, he became bishop of one of Germany’s largest Catholic dioceses, Rottenburg-Stuttgart. While there, he visited every one of the 1,000 parishes in the diocese. He was elevated to cardinal in 2001, and cardinal-priest in 2011. He served as president of the Pontifical Council for Promoting Christian Unity from 2001 to 2010.