Mansa Musa ruled the Mali Empire from 1312 to 1337. He is considered one of the wealthiest people who ever lived, and he is credited with popularizing the Mali Empire throughout the world. During his reign, the empire reached its height of power and wealth. He was a great patron of learning, and he established several schools and libraries throughout the empire. He also encouraged trade and commerce, and he is credited with introducing new technologies and goods to the empire.