Derek F. Abell (1938)
Abell is the founding president and Professor Emeritus at the European School of Management and Technology (ESMT) in Berlin. In 2012, he also became the international dean at HSM Educação in Sao Paulo, Brazil. He is a published author of books and academic journal articles, mostly in the fields of strategic marketing, general management, leadership, and executive responsibilities. One of his most significant contributions has been the creation of the Three Dimensional Business Definition Model..