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The Lecture References

Excelsior Hotel Ernst AG, Cologne
Mandarin Oriental, Munich
Parkhotel Bremen
Althoff Hotels & Residences, Cologne
Mariott Hotel Hamburg
Mariott Hotel Heidelberg
Hilton Berlin
Hilton Mainz
Hilton Düsseldorf
Royal Meridien Hamburg
Le Meridien Parkhotel Frankfurt
Dom Hotel, Cologne
Steigenberger Hotel Berlin
Columbia Hotel & Resorts, Travemünde
Grand Hotel Esplanade, Berlin
Radisson SAS Hotel, Düsseldorf
Arabella Sheraton Airporthotel, Düsseldorf
Arabella Sheraton Congress Hotel, Frankfurt am Main
Sheraton Hotel, Essen
Hotel Nikko, Düsseldorf
Park Hotel, Gütersloh
Bayer Gastronomie GmbH, Leverkusen
Hotelverband Deutschland IHA, Berlin
YOURCAREERGROUP AG, Düsseldorf
DEHOGA Nordrhein, Düsseldorf
DEHOGA Niedersachsen, Hannover
Swissotel Neuss
Sport Schloss Velen
Renaissance Hotel Karlsruhe
Hotel am Hafen Management GmbH, Düsseldorf
and others


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