Answer the following question: Facts: - website: -lsb- http://www.phila.gov/mayor/ office of the mayor -rsb- - incumbent: michael nutter - termlength: 4 years - insigniasize: 100px - insignia: seal_of_philadelphia , _ pennsylvania.svg - incumbentsince: january 7 , 2008 - insigniacaption: seal of city of philadelphia - body: philadelphia - inaugural: humphrey morrey - image: michael nutter.jpg - post: mayor - formation: 1691 Based on these bullet points, write a short biography describing the life of list of mayors of philadelphia .
Answer:
the mayor of philadelphia is the chief executive of the government of philadelphia , pennsylvania , as stipulated by the charter of the city of philadelphia .the current mayor of philadelphia is michael nutter .