Knowledge-intensive organizations are challenged by the digitization of business models and the need for IT knowledge throughout entire organizations. This changes the role of CIOs from a central IT leader towards a digitization ambassador for the whole organization. In this research, we develop and validate a multidimensional IT leadership roles construct, theoretically grounded on Mintzberg’s managerial roles. We empirically evolve the construct based on a quantitative survey among 228 CIOs in the U.S., where we assess the management roles of prior information systems research. Based on the empirical analysis, we add a new role definition. The result is an updated, comprehensive, and modernized IT leadership construct, taking the role of the CIO not only as IT leader, but as central agency for developing a digital mindset in the top management team but also throughout the whole organization. Thus, we contribute to 25 years of information systems research in that field.