M.A. Philip Sloan Internationale Fachhochschule Bad Honnef Bonn Sustainability research (hotel business), Sustainability management (hotel business), Sustainable diet, Wine research, Mould-resistant grape varieties, Sustainability in gastronomy, Grape variety research
MBA Willy Legrand Internationale Fachhochschule Bad Honnef Bonn Wine research, Sustainability research (hotel business), Sustainability management (hotel business), Sustainability, Mould-resistant grape varieties, Marketing management, Marketing research (hotel business), Sustainability in gastronomy, Grape variety research
