Marc Stiefel Therapeutic Masseur , Physiozentrum Zurich Oerlikon 🇩🇪 German 🇬🇧 English Marc Stiefel Therapeutic Masseur , Physiozentrum Zurich Oerlikon 🇩🇪 German 🇬🇧 English Further education Dorn-Therapie Approved by Asca, EMR, EGK