[1] In November 2012, he was injured in an apartment fire, losing both of his arms near the elbow and spending several weeks in a coma,[2] and he went through a year and a half of regular surgery and rehabilitation.
[3] Amponsah began his acting career with stage roles at the Shaw Festival in the early 2010s.
[3] He returned to the stage in the latter half of the 2010s, beginning with a 2016 production of Brandon Crone's play Contempt.
[8] In this era he also had guest roles in the television series Frankie Drake Mysteries, The Handmaid's Tale and Private Eyes.
In 2021 he appeared as August, a member of the Traveling Symphony, in the television miniseries Station Eleven,[9] and performed in "Emmett", Syrus Marcus Ware's contribution to the 21 Black Futures project.