Final answer:
The person responsible for providing data to support planning and control activities and for preparing financial statements is the Chief Financial Officer (CFO).
Step-by-step explanation:
The member of the top management team responsible for providing timely and relevant data to support planning and control activities and for preparing financial statements for external users is known as the Chief Financial Officer (CFO). The CFO's role is crucial in ensuring that the company's financial reports are accurate and that externally reported data inform investors and other stakeholders about the company's financial health. Meanwhile, other key executives such as the CEO, COO, and CIO have different primary responsibilities related to the company's overall leadership, operations, and information systems, respectively.