Ole Hartjen is a trained hotel specialist who has earned his merits in his professional career of more than 35 years in the hotel and catering industry, in congress and event management as well as in the spa and wellness industry. In his new role as...
Ole Hartjen is a trained hotel specialist who has earned his merits in his professional career of more than 35 years in the hotel and catering industry, in congress and event management as well as in the spa and wellness industry. In his new role as...
