Jeff Bezos: How retail made Amazon founder a centi-billionaire

Amazon CEO Jeff Bezos will step down from his role (John Locher/AP)

Jeff Bezos had already become a senior vice-president at a Wall Street hedge fund before founding Amazon, a journey which would lead him to become the richest man in the world.

The 57-year-old, a graduate of Princeton where he studied electrical engineering and computer science, shunned job offers from Intel and Bell after leaving university.