[3][4] Yonga was editorial director of The Big Issue Zambia magazine, which was launched by the International Network of Street Papers in 2007.

[2] Shortly afterwards, she left Zambia to study for a master's degree in global media and translation communication at the University of London.

The company now carries out work for local and international clients, including the Zambian government, European Union and the United Nations.

[5] Yonga began the Narratives of Silenced Voices to research and publish the stories of African women from history.

[6] The Women's History Museum of Zambia [7] has worked with Swedish ethnographers to facilitate the digital repatriation of Zambian cultural objects and artefacts.