Trompenaars' model of national culture differences is a framework for cross-cultural communication applied to general business and management, developed by Fons Trompenaars and Charles Hampden-Turner. This involved a large-scale survey of 8,841 managers and organization employees from 43 countries. Trompenaars' model of national culture differences is a framework for cross-cultural communication applied to general business and management, developed by Fons Trompenaars and Charles Hampden-Turner. This involved a large-scale survey of 8,841 managers and organization employees from 43 countries.