A German native, Halko has been a Clinical Psychologist and couples therapist for more than 30 years. He is a Trainer for the European Academy for Couples Therapy and a lecturer at the University of Marburg. Halko also leads corporate training programs on emotional intelligence in the workplace. Halko is a founding Senior Trainer of the US, German, Australian and New Zealand Hakomi Institutes. He is the creator of the Hakomi Embodied and Aware Relationship Training (H.E.A.R.T) and the author of numerous publications, among them (in German) the Handbook of Somatic Psychology and The Mindfulness Book.