[1][2] As of 2012[update] Hwang represents the electorate centred on Yeonsu District, Incheon in the National Assembly of South Korea.

[2] Hwang studied law at Seoul National University.

[1][2] In 2016 Hwang placed third on the Rainbow Vote list of 22 most homophobic politicians.

He is well known for his role as the chair of the National Breakfast Prayer Committee meeting and as a key architect of anti-gay legislations in Korea.

In 2014 he participated in organizing the International Solidarity Agency to Stop Global Homosexuality,[3][4] a collaboration between Korean evangelicals and their counterparts in Haiti.