I am one of the two officials responsible for overseeing the government and elected for a one year term. Who am I?

Well I don't know if this is a school work question but you just said it:

You are one of the two officials responsible for overseeing the government and elect.

o(*￣▽￣*)o

chamberlains goal was to stop the uk ad germany from fighting which he went to hitler and asked if he could sign a peace treaty between germany and the uk