Johannes Greiner was born 1975. He is a pianist, eurythmist, author, teacher, and adult and teacher educator. Since April 2018, he has been responsible for music in the Section for Performing Arts at the Goetheanum, and is a member of the General Council of the Anthroposophical Society in Switzerland. His publications in German include Es ist alles ganz anders: Beiträge zur Aktualität der Anthroposophie (2015); Mensch, ich glaube an dich! Terrorismus: Ein Erziehungsproblem? (2017); and Kunst verwandelt (2018).