Jang was born in 1955 in Pyongyang.[1] In February 1999, he was appointed the manager of the state-of-the-art electronic engineering base at the National Academy of Sciences, and was appointed the manager of the enterprise where Jeon Hee-seok works. Since serving as Director of the National Academy of Sciences in 2005, he has been the Director of the Academy of Sciences of the Democratic People's Republic of Korea since September 2009.[2] In September 2010, he was elected to the Central Committee of the Workers' Party of Korea. In 2003, he served as a member of the 11th convocation to the Supreme People's Assembly and following the April 2009, he has been member of the 12th convocation. At the time of the death of Jo Myong-rok in 2010 and death of Kim Jong Il in 2011, he was a member of the funeral committee.
References
^장철(남성). 북한정보포털 (in Korean). 대한민국 통일부. Retrieved 6 March 2021.