Kiaran Kesby was born in London. His studies include a two-year national diploma where he found his passion for lighting and lighting design. This guided him to undertake a degree in lighting design at Rose Bruford College. After his studies, he took on the role of Senior Lighting Technician at the Mercury Theatre in Colchester. A year and a half on Kiaran was promoted to Deputy Technical Manager. 

Currently, Kiaran is at The Royal Shakespeare Company as a Grade 1 Lighting Technician.