Todays organizations have to deal with complex challenges to pursue their ultimate goals of viability and sustained competitive advantage in the world of industry (Boxall & Purcell, 2003). These global challenges and competition cause pressures that are influencing the emergence of teams as a basic building block of organizations (Kozlowski & Bell, 2003). In developing a conceptual model on the relationship between expertise diversity and team performance, I argue that different levels of expertise diversity may facilitate distinct types of team learning and team performance dependent upon...