Joseph Jason Namakaeha Momoa , better known as Jason Momoa, is an American actor, model, director, writer, and producer. He is known for his television roles as Ronon Dex on the military science fiction television series Stargate Atlantis as Khal Drogo in the HBO fantasy television series Game of Thrones and as Phillip Kopus, a Ramapough Mountain Indian, on the SundanceTV drama series The Red Road .
An only child, Momoa was born in Honolulu, Hawaii, in 1979, the son of Coni, a photographer, and Joseph Momoa, a painter. He was raised in Norwalk, Iowa, by his mother. His father is of Native Hawaiian descent, while his mother is of German, Irish, and Native American ancestry. After high school, Jason began college in Iowa as a marine biology major, studying for a period in the Florida Keys. He transferred his major to wildlife biology at Colorado State University. Before completing his degree, he moved back to the Hawaiian Islands to reconnect with his father.
Source: Wikipedia