A more thorough explanation:

The Secretary of the Treasury is a member of the President's cabinet who is in charge of the U.S. Department of the Treasury. This department is responsible for managing the country's finances, including collecting taxes, printing money, and regulating banks.

• Janet Yellen is the current Secretary of the Treasury.
• The Secretary of the Treasury advises the President on economic issues.
• The Secretary of the Treasury works closely with the Federal Reserve to manage the country's monetary policy.

These examples illustrate the role and responsibilities of the Secretary of the Treasury. They show that the Secretary is a high-ranking government official who plays a key role in shaping the country's economic policies and managing its finances.