Upon kind invitation of the University of St Andrews VProf. Dr. Trummer gives a research driven leadership lecture for nearly 140...

Upon kind invitation of the University of Catania VProf. Dr. Trummer gives leadership research-seminar for Master/PhD-students at the...

Upon kind invitation of Handelsbanken Frankfurt Vis. Prof. Dr. Trummer gave a Keynote speech about Successful Leadership for the General...

Upon kind invitation of an international film production GFA-members/students have been acting at a film production about the new...

For a Head of Corporate Banking of an international bank of the Frankfurt Financial Industry Boxing Professor Dr. Trummer gave a personal...