[4] She named the studio after Guru Somalaing Pardede, a historical Batak warrior and religious leader who accompanied the Italian anthropologist Elio Modigliani on his travels in Sumatra in the nineteenth century.

[4] She was one of the first Indonesian women sculptors to create bronze sculptures; she has also used clay, fiberglass, plastics, and a variety of other materials.

[11][3][12][4][13] Among her better-known sculptures are Semangat Angkatan 66 (The Spirit of the generation of '66) in Kuningan, South Jakarta and Solidaritas (Solidarity, 2000) which is located at the National Commission on Violence Against Women (Komnas Perempuan); a replica is in the International Monetary Fund building in Washington, D.C.[2][4][3] Another well-known piece is Them for Us Today: The Crisis, an imposing rod iron work she created for the Second International Sculpture Symposium in Huế, Vietnam in 1998.

[17] And she was media coordinator and a steering committee member of the People's Tribunal on 1965 Crimes against Humanity in Indonesia which was convened in The Hague in 2015.

[22] In 2016 she also curated an exhibition in Jakarta of art focusing on the historical experience of Indonesian Comfort women during World War II.