What role is an agency official responsible for providing advice & other assistance to the head of the executive agency and other senior management personnel of the agency to ensure that IT is…

The Chief Information Officer (CIO) is the executive-level position within an agency tasked with comprehensive oversight of IT infrastructure, information resources, and their strategic alignment with organizational goals and regulatory compliance. This role involves advising leadership and ensuring IT operations meet legal and policy requirements.

An Authorizing Official (AO) is responsible for making a risk-based decision to authorize the operation of an information system, which is a specific security responsibility, not the broad IT and information resource management described.

An Information Security Architect (ISA) designs and builds secure IT systems and networks, focusing on technical security implementation rather than overall IT resource management and compliance advisory to agency head.

An Information System Owner (ISO) is responsible for the overall procurement, development, integration, modification, or operation and maintenance of an information system, but the CIO has a broader, agency-wide strategic role as described.