What is the chain of command and names from the governor to the mayor of shreveport

The Governor, Bobby Jindal, and the rest of his cabinet are listed on Louisiana's Executive Branch site.

The Names of the Shreveport Town Council, who are responsible for the laws and ordinances in Shreveport, are listed on the Shreveport Town Council Page.

The Shreveport Police portal has information on the Chief of Police and the department itself.

A pretty hard to read organizational chart of the Police Department is available on the town's Police portal.