Bertil Engelbert has a master's of science in psychology from the University of Gothenburg, Sweden. Before the studies in psychology, he has a master's of science in chemical engineering from Chalmers University of Technology, Gothenburg, and a master's of science in molecular biology at the University of Gothenburg. His current research interest is to analyze the developmental pathways that lead to different leadership behaviors. After participating in the 2-week course at "AAI Institute" in Berkeley, led by Professor M. Main and Dr. E. Hesse (followed by a 30-cases reliability test), he has passed the reliability test for the three-way analysis of Adult Attachment Interview. His experiences in industry include 15 years of managing projects in the motorcar industry (including production engineering, product development, and research) followed by 10 years of consulting with small company development issues.