What is the hero's dilemma

Frédéric Letzner

Obesity Association Germany, Alnatura, AGFA Healthcare, Office for Army Development, AOK, Axel Springer Verlag, Barmer, Bayer Animal Health, Bergische Universität Wuppertal, BGHW trade association, district government, Düsseldorf, BG 3000, BGF Institute Cologne, BGM Pro Cologne, BKK Bosch, BKK B. Braun Melsungen AG, BKK Daimler, BKK MTU, BKK, Pronova, BKK Salzgitter, BKK VBU, BMW, Federal Institute for Civic Education, BVMW Der Mittelstand, Corporate Health Convention, Deutsche Bahn, German Society for Nutrition eV, German Institute for Adult education, Deutschlandfunk, Einlive / WDR, ElectronicPartner Handel SE, Entserv GmbH, Fraport, Fresenius, Fresenius Kabi, Galileo, GANT DACH GmbH, thought tanking, Stuttgart court, Trier Chamber of Crafts, Henkel, Hessian state office for addiction issues, Siegburg University, HUG 2019, IHK, Ikk classic, Insa, INSEA Hannover, Janssen, KKH commercial, health insurance, Knappschaft Bahn-See, state capital Wiesbaden, state office Koblenz, district Diepholz, district Lüneburg, district Siegen, Liebherr, Media Central, Merck, Ministry of the Interior State of North Rhine-Westphalia, Mhplus, Lower Saxony Study Institute, Otto Fuchs, Personio GmbH, Pierburg GmbH, Pluscard, Mannheim Police, ProSieben, Radio Gong 96.3, REA CARD, Rhein Energie, Rhein-Neckar-Verkehr GmbH, RKG, Salzgitter Flachstahl, SGL Group, Skolawork Congress, Sparkasse Schwäbisch Gmünd, Südwestmetall, Süwag, Rheinfelden city administration, Stadtwerke Düsseldorf, Stiftung Brave Kinder, Stricker, Infrastrukturbau GmbH & Co.KG, SWK Stadtwerke Köln GmbH, Targobank, Techniker Krankenkasse, TOP Magazin Bonn, University of Bonn, University of Mannheim, University to Cologne, Urban Sports Club, VDD Federal Congress, Villeroy & Boch AG,