„I wouldn’t be able to work on projects, which are useful to some only because of being harmful to many.“

(René Descartes (1596-1650), French philosopher and mathematician)

• ADAC
• Medical Association
• Akademie der Gesellschaft f. wissenschaftliche Gesprächspsychotherapie
• Arbeiter-Samariter-Bund Deutschland e.V.
• Arvato
• Bayer
• Industial Union for German Psychologists
• Federal Office for Work Protection and Industrial Medicine
• Condor
• deep white
• Academy of German Psychologists
• Eurowings
• Protestant Church of the Rhineland
• University of German Red Cross
• Holiday Plan
• Association of Statutory Health Insurance Physicians
• Catholic Information Center of Archbishopric Cologne
• Association of Psychotherapist
• Öger
• Medical Practice Özer
• Medical PracticeSoencksen
• Stiftung Warentest
• Thomas Cook
• Tun & More
• Central Insitute of mental Health

As well numerous satisfied individuals