The document provides lessons and advice from various CFOs on their roles and responsibilities. It discusses how CFOs need analytical skills to understand financial information as well as social skills to present and convince stakeholders. Several CFOs offer specific advice, such as maintaining mentor relationships, understanding the business problems to be solved rather than just the financial aspects, getting involved in change programs, understanding what levers can be pulled to drive business growth, and engaging managers in budgeting. The document emphasizes that the CFO role requires both strong financial skills as well as business strategies and marketing understanding.