Purpose: Lean remains popular in a wide range of private and public sectors and continues to attract a significant amount of research. However, most of this research is not grounded in theory. This paper presents and discusses different expert viewpoints on the role of theory in lean research...

Purpose: There is convincing evidence that companies need a special form of leadership to succeed with lean transformations. The general advice for lean leaders, however, is often obvious or unrealistic. The purpose of this paper is to propose and discuss specific lean leadership practices for...