[2] Her parents are Jorge Jose Sadurni Jammal and Maria Del Carmen DeCet Carrasco.

[3] After an extended trip to Uganda in 2016, she based herself in Kampala and travelled around Africa working as a freelance photojournalist.

[1][2] Her work also included coverage of the COVID-19 pandemic in Uganda and the arrest of Ugandan activist Stella Nyanzi.

[1][2][4] She also documented survivors of acid attacks,[2][1] activist sex workers organizing for government assistance during the COVID-19 pandemic,[1] and women with obstetric fistula.

[4][8][1] After her death, journalists, press associations, and others shared tributes, including Ugandan human rights lawyer Nicholas Opiyo, who stated, "Sumy told the stories of forgotten people in our society (slum dwellers, amateur boxers, brewers of local gin, etc.