Who heads each of the branches of federal reserve banks and look after their functioning

The Chair of the Board of Governors of the Federal Reserve System is the chief of the Federal Reserve, which is the central banking system of the United States.

Explanation: The position is referred as "Chair of the Fed" or "Fed Chair". The chair is the "active executive officer" of the Board of Governors.

The Federal Reserve has an executive officer also known as "Fed Chair" who is the person in charge of the Federal Reserve.

Explanation:

The Federal Reserve is the main system related to the bank's functioning in the United States. The chair has to report the different objectives in terms of monetary policy as well as responsibilities related to the Fed. These objectives are related to having a major number of jobs, the stability in prices as well as the interest rates.

The United States president is the person who is in charge of the chair's election and he or she has to serve four years after the United States Senate has confirmed his/her election. Moreover, the United States president cannot dismiss the chair.  

An urban settlement is an area with a high population density and large size, where the people are occupied in non-agricultural industries. On the other hand, a rural settlement has a lower population density and size, and the inhabitants are engaged in agricultural production.