Simplify the following text for a Grade 9 native English-speaking person.
Original: Stephen Joseph Harper , PC , MP ( born April 30 , 1959 ) is the 22nd and current Prime Minister of Canada , and leader of the Conservative Party .
Simplified: Stephen Joseph Harper , ( born April 30 , 1959 in Toronto , Ontario ) , is the current , and 22nd Prime Minister of Canada . He is a member of the Conservative Party .