Together with Dr. Richard Nyuur and Dr. Rose Quan at Northumbria University, Klasen gladly supervised the doctoral theses. Klasen complimented the hard work and dedication of the candidates.
Topics of the theses are "Supporting SMEs' internationalisation through a deeper understanding of government comprehensive support: A case study of German manufacturing SMEs" and "Sustainable impact: How foreign direct investments (FDI) contribute to achieve sustainable development goals (SDGs)".