Deutscher Ärztekongress (German Medical Congress), Berlin

Hartmannbund, Verband der Ärzte Deutschlands e.V. (Association of German Doctors), Berlin

Helvetia Versicherungen Schweiz (Helvetia Insurance Switzerland), St. Gallen and Basel (CH)

LCBS GmbH (Lake Constance Business School)

Lions Club, Radolfzell-Singen

Nachsorgeklinik Tannheim gGmbH (Aftercare Clinic), Tannheim

Sparkasse Bodensee

Triemlispital (Triemli Hospital), Zurich (CH)

Wolfsberg (UBS Health Forum), Ermatingen (CH)

ZF Friedrichshafen AG, Friedrichshafen

Plus a large number of individuals and groups from the fields of business, sport, culture, public administration and health.