Answer:
Antipater
Step-by-step explanation:
Antipater was a business man, born in Macedonian that had fought for Alexander´s Father, the king Phillip II of MAcedon, and for Alexander as well, when Alexander wanted to face east and conquer Persia, Antipater was left as Greece and Macedonia´s regent, which basically gave him alexander´s powers to rule in his absence, when Alexander died, he kept those powers as regent and ruler.