Tin Maung Win was born on 12 February 1955 in Kindat Township, Myanmar. He studied at Kindat Middle School and Mawlaik High School. He worked as a Clerk at the Mawlaik Township Trade Co-operative from 1975 to 1980 and ran a private electronic repair shop from 1983 to 2013.
He had served as a Committee member of 8888 uprising at Mawlaik Township in 1988. In 1989, he served as a chairman of township NLD party organizer. He contested the Mawlaik Township constituency and won a Pyithu Hluttaw seat in the 1990 Burmese general election, winning a majority of 11,249 (64% of the votes), but was never allowed to assume his seat.[3] And then, he had served as the chairman of District Assembly Election Commission in 2012. He also served as the Chairman of District Executive and as a representative of Central Conference in 2013.
