Nansubuga Nagadya Isdahl was born to Ugandan parents in Cambridge, MA, USA. After receiving a Bachelor's Degree in Sociology and a Master's Degree in Diplomacy, she eventually landed in Kampala, Uganda to work in international development. For over ten years, Nansubuga has worked in international development in East and Southern Africa.

In her current role as a technical writer and editor, she produces a range of written work for international organizations such as the UN and the World Bank. Having lived in seven countries across three continents, creative writing has always been her way to re-connect with her cultural heritage.

Nansubuga is currently based in Johannesburg, South Africa where she resides with her husband and daughter, Nsaba. Sleep Well, Siba and Saba is her first children's book.