Dr. Boris Kaehler is a professor of human resource management at a German university and an expert in the field of management and leadership. Prior to teaching, he gained a decade of experience as a corporate HR manager and today also works as a part-time HR strategy consultant, management trainer and coach.

1. Conceptualizing Models of Management and Leadership: Constructs, Differentiations and other Theoretical Considerations.- 2. The Complementary Management Model.- 3. The Role of Line Managers in Complementary Management.- 4. The Role of the Specialized HR Function.