Every country has a different procedure.
The president appoints the supreme court justices
Supreme Justices are nominated by the Senate.Then, the President appoints the justices. Therefore,the executive branch appoints supreme court justices
the president
the judge
The president appoints them when there is a opening.
The Supreme Court Justices are appointed by The President & confirmed by The Senate.
The President
Someone
Justices are appointed by the Governor of the particular state on advice of the state premier. Federally its the same for the high court, the Governor General appoints the chief on the advice of the Prime Minister.
No one directly appoints Supreme Court Justices. The president nominates candidates, and the senate accepts or rejects the nominees. So the president indirectly appoints justices, pending senate approval.
Some states allow voters to elect their justices, and in some states the governor appoints the justices. A+
The President appoints new supreme court justices.