A CIO, or Chief Information Officer, is a senior executive responsible for managing and implementing an organization's information technology strategy. This role involves overseeing the IT department, ensuring that technology aligns with business goals, and managing resources to improve efficiency and productivity. CIOs play a crucial role in digital transformation, helping organizations adapt to new technologies and trends. They often collaborate with other executives, such as the CEO and CTO, to drive innovation and ensure that the company's technology infrastructure supports its overall mission and objectives.