Henry Mintzberg is a renowned Canadian academic and author known for his work in the field of management. He gained prominence for his studies on organizational structures and management roles, emphasizing the importance of understanding how managers actually work in practice, rather than just in theory. Mintzberg identified ten managerial roles, which he categorized into three groups: interpersonal, informational, and decisional. His insights have significantly influenced management education and practice, providing a framework for understanding the complexities of managerial responsibilities in various organizational settings.