How much knowledge should leaders have of their organization's core business? This is an important question but not one that has been addressed in the management literature. In a new 'theory of expert leadership' (TEL), this paper blends conceptual work with recent empirical evidence. It...

How much knowledge should leaders have of their organization's core business? This is an important question but not one that has been addressed in the management literature. In a new 'theory of expert leadership' (TEL), this paper blends conceptual work with recent empirical evidence. It...

Although it has long been conjectured that having physicians in leadership positions is valuable for hospital performance, there is no published empirical work on the hypothesis. This cross-sectional study reports the first evidence. Data are collected on the top-100 U.S. hospitals in 2009, as...

This paper is an attempt to understand the effects of leaders on organizational performance. We argue for an expert leader model of leadership. We differentiate between four kinds of leaders according to their level of inherent knowledge and industry experience. After controlling for confounding...

This paper is an attempt to understand the effects of leaders on organizational performance. We argue for an "expert leader" model of leadership. We differentiate between four kinds of leaders according to their level of inherent knowledge and industry experience. After controlling for...