[1] He is known for his highly acclaimed documentary films Trouble Sleep (2020), Colette & Justin (2022), and Coconut Head Generation (2023).

Born in Kinshasa, Kassanda left the Democratic Republic of the Congo for France at the age of 11.

[2][3][4] Kassanda's first work, Trouble Sleep, received the Golden Dove for Best Short Film at the DOK Leipzig international festival for documentary and animated film in 2020 and the jury's special mention at the Cinéma du Réel.

[8] At the FIFDH Geneva 2023, Kassanda's second work and debut full-length film, Colette and Justin (2022), which recalls his grandparents’ experience of Belgian colonialism and the nationalist struggles for Congolese independence, won the Gilda Vieira De Mello Award in the Creative Documentary Competition.

[14] Kassanda's latest work, Coconut Head Generation (2023), was selected for the New Directors/New Films at Lincoln Center and Museum of Modern Art.