Björn von Siemens

Entrepreneur ambidexterity: A study of entrepreneur behaviours and competencies in growth-oriented small and medium-sized enterprises

Thierry Volery, Thierry Volery, Susan Mueller, 2015 .

What Do Entrepreneurs Actually Do? An Observational Study of Entrepreneurs’ Everyday Behavior in the Start–Up and Growth Stages

Thierry Volery, Thierry Volery, Björn von Siemens, 2012 .