Alfried Längle, born in 1951 in Götzis (Austria), is a doctor of medicine and psychology, medical, clinical psychologist and psychotherapist with own practice in Vienna. Also holds the position of President of the International Society for Logotherapy and Existential Analysis in Vienna, taught at the universities of Vienna, Klagenfurt and Moscow, and has published numerous books including: Living Sinnvoll Sense (Lumen, Buenos Aires ), Wege zum Sinn (ed.), Entscheidung zum Sein (ed.), Süchtig sein (ed).