By most accounts, the Commission President's potential for political leadership within the EU system has declined since the 1990s, due to the increasingly assertive role of the European Council, and a more autonomous European Parliament (EP). Furthermore, the incumbent's authority over the Commission is complicated by the Commission's internal fragmentation and specialization. Based on interviews with experienced policy‐makers from the Commission, the Council and the EP, this article argues that Juncker's leadership inside the Commission, as well as his leadership within the EU system have been strengthened by his organizational reforms, such as the introduction of project‐team leading Vice‐Presidents and a stronger role of the Secretariat General. These findings challenge the accounts emphasizing the declining leadership capacity of the Commission.