The key responsibilities of a CFO within an organization encompass a variety of areas, not only limited to finance but also including strategy, compliance, and communication. Here are some of the key responsibilities:

1. Financial Management: Oversee the company's overall financial operations, including creating and managing budgets, cash flow management, and capital expenditure decisions.
2. Financial Reporting: Ensure accurate and timely financial reports are produced, including income statements, balance sheets, and cash flow statements.
3. Strategic Planning: Participate in and contribute to the strategic decision-making process, including expansion plans, mergers and acquisitions, and capital allocation.
4. Risk Management: Identify and manage financial risks to the company. This may include market risk, credit risk, and operational risk.
5. Compliance: Oversee regulatory compliance related to financial operations and reporting.
6. Investor Relations: Manage relationships with shareholders and potential investors, which includes communicating financial results and strategies.
7. Leadership: As part of the senior executive team, contribute to the overall leadership and strategic direction of the company.
8. Performance Metrics: Develop and monitor key performance metrics to guide strategic decisions and to track the company's progress towards its goals.
9. Treasury: Manage the company's capital, including its investments and liquidity. This may also include fundraising activities, such as equity and debt financing.
10. Team Development: Lead and manage the finance team, including talent development and succession planning.
11. Internal Controls: Develop and supervise the implementation of internal controls over financial reporting, to ensure integrity and accuracy.

The CFO's role can vary widely depending on the size, type, and needs of the organization, as well as the industry in which it operates. However, these responsibilities are commonly found across most CFO roles.