Psychotherapist, based in Vienna/Austria Trained in person centered counseling, breathwork, bodywork, systemic constellation work and peakstates therapy Working with clients and groups since 1987 Main trainer of the ATMAN-Trainingsproject for Integrative Breathwork Book Author: .Manual of Breath Therapy ("Handbuch der Atemtherapie" -Ahlerstedt, Param-Verlag) in German - most chapters are available in English .Vom Mut zu wachsen. Bielefeld, Kamphausen Verlag 2011, ISBN: 978-3-89901-341-2 (German) .Consciousness in Evolution. Bielefeld, Tao-Verlag 2014 .Kohärentes Atmen. Bielefeld, Tao-Verlag 2016, ISBN: 978-3-95802-989-7 (German) .Coherent Breathing. Bielefeld, Tao-Verlag 2016 .40 Tore der Weisheit, Tao-Verlag 2015 (German) .Die Scham - das geheimnisvolle Gefühl, Tredition 2020 (German)Professionally, since the mid-eighties and in the nineties, I was active worldwide in the transport and logistics sector and, above all, with my consulting company for many international development aid organisations (World Bank, IDB, EBRD, EU, etc.), which involved intensive travel. Inspired by my wife Marion, I found natural medicine, which has fascinated me for more than 20 years now, due to the not inconsiderable strain on my health caused by my activities and in search of a balance. From intestinal cleansing and liver cleansing to training as a trainer in the field of neuroscience and the associated discovery of the fascinating possibilities of our brain and our subconscious, which are often incomprehensible to our intellect, I have always first given these techniques a try on myself and then passed this knowledge on to many people in seminars and individual counselling sessions.