She holds a bachelor's degree from Harvard University and an MFA from the School of Visual Arts in New York.
[1][7][2][8][5] She has been an artist in residence at the XXVIIes Aterliers Internationaux, FRAC des Pays de la Loire in France, VAIVEM in Sao Paulo, Vanilla Facts in Berlin, Cruces International, Montevideo and the Bag Factory Artist Residency.
[3] Nkosi’s first solo show at Stevenson Gallery in Johannesburg, entitled “Gymnasium” opened in June 2020.
Thenjiwe intends for her work to "bring to attention those in-between moments, which are often overlooked and undervalued as part of the processes of victory, as part of the performance" [10] Nkosi’s video piece "Suspension" (six minutes and 45 seconds long) was featured in a 2020 online show of video art.
The New York Times review called the piece "sublime" and "the drop-everything-and-stream-it-now achievement of [the] video exhibition" in which it was presented.