Siku was born in Leicester, UK and studied graphic design in Nigeria. He also learned art direction, painting, sculpture and concept work in science fiction and fantasy. He started out as a two-year studio junior in an advertising agency at the age of sixteen before going on to Art College to study sculpture, ceramics, painting, textile design and eventually specialising in Graphics Design while rendering Architectural drawings and singing on Radio Jingles to help pay his education and boarding fees.
After an initial four-year concept and visualisation debut in advertising, he spent the following decade working as a comic book creator for Britain's most successful science fiction/fantasy comic weekly; 2000 AD. he also did covers Marvel, Spanish/German Publications, and he worked for Com X. He is one of the many artists to have drawn the 'Judge Dredd' comic, that appeared in 2000 AD and Judge Dredd Megazine in the 1990s. He also worked on titles such as 'Prog 1214' and 'Tales of Teleguuth'. He is currently the Visuals Director for a computer games company in Camden, working on several games projects.