The founder of Zoroastrianism was Zoroaster.
Zoroaster was a Persian prophet, founder of Mazdaism or Zoroastrianism (Media or Bactrian?, 628 -?, 551 BC). Also known as Zarathustra, Zoroaster preached a new religion based on the worship of a supreme deity named Aura Mazda or Ormuz (“the Wise Lord”), accompanied by the six spirits of truth, justice, order, docility, vitality and immortality.
The origin of Zoroastrianism was the ancient Persia where Zoroaster was born. It is one of the oldest religions in the world.