Eugene Oliver Palmer (born 1955) is a Jamaican-born British artist.[1] His work uses archival records, photographs, and contemporary media imagery as basis for his paintings. Palmer has had a long association with art curators and exhibitors Eddie Chambers and Keith Piper and is recognised as one of the leading Black artists working in Britain. He currently lives and works in St Leonards-on-Sea, East Sussex.
https://en.wikipedia.org/wiki/Eugene_Palmer_(artist)
Interview with the artist -- https://www.flolondon.co.uk/all-posts/in-conversation-with-eugene-palmer
I think oil on canvas.
https://images.squarespace-cdn.com/content/v1/5c9534c4af4683461d462c6b/fd73a04f-1d70-4235-ad99-de6dea736a2d/EP+at+work.jpg