In recent years, research shows that the capacity of traditional type of leadership, e.g. "charismatic leadership" in state governance, has been weakening and even leading to institutional stagnation, decline, and destruction. To prevent such negative impact from occurring, democratic states, corporate entities as well as scholars and practitioners in the field of public administration have begun seeking and utilizing "collaborative leadership" dynamics that embody both leadership and collective willpower for the improvement of governance effectiveness. This paper intends to examine the theoretical foundations of collaborative leadership, discuss its practical applications, and explore its impact on modem state governance. By analyzing various perspectives of collaborative leadership and evaluating collaborative leadership efforts exemplified in major democratic countries (e.g., the OECD member states) in contrast to the absence of collaborative leadership in both Mainland and Taiwan Province of P. R. China, it attempts to capture the essence of collaborative leadership and its impact on improving governance effectiveness, hoping to provide valuable references for state governance in the twenty-first century.