In the present day, organizations worldwide tend to structure their work around teams and workgroups 1 to perform more rapidly, flexibly, and adaptively (Kozlowski & Ilgen, 2006). The various applications of teams in organizations have led to an approach that emphasizes their nature as finalized systems and the emergence of a new focus dedicated to this issue: effectiveness (Mathieu, Maynard, Rapp, & Gilson, 2008). Because the effectiveness of teams matters for individual, organizational, and societal well-being, it is essential to study processes to promote it (Kozlowski & Ilgen, 2006). According to Bass (1999), changes in the marketplace and in the workforce led to a need to adopt a transformational leadership style. These leaders foster followers in going beyond immediate selfinterests, elevating their maturity as well as showing concern for achievement, self-actualization, and well-being of subordinates (Bass, h t t p : / / j o u r n a l s. c o p m a d r i d. o rg / j wo p