Khun Sa  is a Burmese warlord which has an estimated net worth of $5 billion.

Khun Sa is also known as Opium King. During in his youth, his rebellious deed started when he trained with the Kuomintang. In 1963, he re-formed it into a Ka Kwe Ye local militia loyal to Gen Ne Win's Burmese government.

When he expanded his army around 800 men, he stopped cooperating with the Burmese government. In 1967, he fought with the Kuomintang remnants in Shan State wherein he and his forces was defeated.

Rangoon government captured Khun Sa in 1969, and freed in 1973. Then in 1976, he started his career in smuggling opium. He was almost assassinate by the Thai Rangers and Burmese guerillas. Khun Sa is one of the principal figures in opium smuggling in the Golden Triangle.

In 1989, he was charged by a New York court for trying to import 1,000 tons of heroin. 

Khun Sa was born on February 17, 1934 in Loi Maw, Mongyai, British Burma.  He died on October 26, 2007 in Yangon at the age of 73. He is buried at Yayway Cemetery, North Okkalapa, Yangon Division, Burma