No one.
Persia did not conquer Greece. Persia attempted to conquer Greece but the invasion was repelled. Earlier, Greeks had fought against Persia in the Ionian Revolt, and the Persian invasion was intended as retribution for the violation of Persian temples.
The Persian empire.
He followed his assassinated father Philip's plan to take over the Persian Empire.
Xerxes
Darius the 1st and his son Xerxes the 1st .
Greece did not conquer Phoenicia. Macedonian king Alexander took it over as part of his conquest of the Persian Empire in 334 BCE.
The second Persian leader who tried to conquer Greece, alongside Darius I, was his son Xerxes I. Xerxes is best known for his invasion of Greece in 480 BC, which included the famous battles of Thermopylae and Salamis. Both leaders aimed to expand the Persian Empire and subdue the Greek city-states, but ultimately faced significant resistance from the Greeks.
Xerxes I.
His ambition was limitless and it was the greatest challenge around. He said it was reparation for the Persian invasion of Greece a hundred and fifty years earlier.
Persia!!!!!
Alexander was king of Macedonia (not Greece) and he conquered the Persian Empire in order to become king of it. The empire stretched from Greece to Egypt and today's Pakistan.