|Revised Romanization||Bak Dochun|
According to his official biography, Pak was born in Jagang Province in 1944 and joined the Korean People's Army in 1960 (becoming a general in 2012). He later graduated from the exclusive Kim Il-sung Higher Party School and worked in a number of party posts in factories and mines. He was first elected to the Supreme People's Assembly in 1998. He accessed to leading provincial posts in the late 1990s, becoming chief secretary of the Jagang Committee of the Workers' Party of Korea (WPK) in 2005. He oversaw the modernization of the province's arms-production facilities and the building of the Huichon Power Station, highlighted as models for "the building of a thriving nation."
In September 2010 he was made WPK Central Committee member at the 3rd Party Conference, and jumped to the leadership core as Politburo alternate and secretary for military affairs. He was also elected to the National Defence Commission (NDC) in April 2011 and promoted to Politburo full member in April 2012, largely replacing Jon Pyong-ho as North Korea's military industry manager. In that capacity, Pak supervised the Kwangmyongsong-3 and Kwangmyongsong-3 Unit 2 launches in 2012, as well as a controversial nuclear test in February 2013.
- "Profiles of Presidium and Members of Political Bureau". KCNA. 29 September 2010. Archived from the original on 2 April 2015. Retrieved 17 December 2013.
- "Pak To Chun [Pak To-ch'un]". North Korea Leadership Watch. 14 August 2013. Retrieved 17 December 2013.
- "Third Session of 13th SPA of DPRK Held". KCNA. 9 April 2015. Retrieved 21 July 2015.
- Madden, Michael (22 September 2014). "The Passing of the Nuclear Torch: The Next Generation of WMD Scientists". 38 North. Retrieved 10 September 2017.
|Party political offices|
| Chief Secretary of the WPK Jagang Committee
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