She has served as the chairwoman of the Central Committee of the Korean Democratic Women's Union (KDWU) and as a member of the 6th Central Committee of the Workers' Party of Korea.

She was removed from her position as head of the KDWU in February 2014, at the union's 66th general meeting.

[1] A graduate of Kim Il Sung University,[1] Ro became vice-chair of the Pyongyang committee of the Women's Union in April 2001, and chair of that committee in February 2002.

[3] Ro was elected to the 12th session of the Supreme People's Assembly in April 2009, and to the SPA Presidium at the same time.

[3] Ro was a member of the national mourning committees for the deaths of Pak Song-chol in 2008, Hong Song-nam in 2009, Kim Jung-rin in 2010, and Kim Jong Il in 2011.