Mitgliedschaften des Berlin Convention Office visitBerlin, Foto: Mike Auerbach Breadcrumb current page: Home current page: About Memberships ICCA With members from 86 countries, the International Congress & Convention Association is one of leading organisations for the int. association meeting industry. BestCities The BestCities Global Alliance is a network of convention bureaux supporting the planning of international conferences and meetings in top destinations. GCB The German Convention Bureau (GCB) is the main contact for conferences, congresses, incentives and events in Germany. ECM The European Cities Marketing platform promotes European cities through an exchange of knowledge and best practices in conference and tourism marketing. MPI Meeting Professionals International is the largest meeting and event industry association worldwide, connecting people in over 80 countries on four continents. Site Site is a global community of business professionals dedicated to the pursuit of excellence in incentive travel and motivational events. ABPCO The Association of British Professional Conference Organisers (ABPCO) is UK’s leading professional body for association conference and event organisation.