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...

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...

Much of human knowledge is produced in the world's university departments. There is little scientific evidence, however, about how those hundreds of thousands of departments are best organized and led. This study hand-collects longitudinal data on departmental chairpersons in 58 US universities...

Women remain underrepresented at the upper echelons. An aversion to competition has been suggested as a factor that discourages women from applying for top jobs. This paper reviews the research showing that high-ability females compete less than males. We develop a theoretical approach to...

Much of human knowledge is produced in the world's university departments. There is little scientific evidence, however, about how those hundreds of thousands of departments are best organized and led. This study hand-collects longitudinal data on departmental chairpersons in 58 US universities...

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 were collected on the top-100 U.S. hospitals in 2009, as...