Lee Sullivan has been a comic-book artist since 1987, working on Transformers, Doctor Who Magazine (semi-regularly, becoming well-known for his drawings of the Daleks), numerous superhero reprint covers and Death’s Head (all for Marvel UK), ‘RoboCop’ & ‘William Shatner's TekWorld’ comic and trading cards, ‘Punisher’ and ‘Doctor Strange’ for Marvel US; Steel and Superman for DC; ‘Judge Dredd’ & 'Mercy Heights' in 2000AD; the Radio Times 'Doctor Who' strip; the ‘Amulet of Samarkand’ graphic novel; five years on ‘Thunderbirds Magazine’; five years on Fabbri’s ‘Doctor Who: Battles in Time’ comic strips and three years of ‘DVD Files’ illustrations, as well as various Who covers for Titan; the programme’s 50th Anniversary celebrations in the form of posters and a comic strip for the Royal Mail's Prestige Stamp Book and IDW’s ‘Prisoners of Time’. His work has also appeared on the show itself in the Series 8 episode ‘Time Heist’. He has also supplied box artworks for the Big Chief Studios Gerry Anderson 1/6 and 3.75” scale figures.
From 2015-18 he produced six graphic novels for the ongoing Titan comic book series ‘Rivers of London’ - a continuation of Ben Aaronovitch's successful series of novels featuring Peter Grant, scripted by Ben and Andrew Cartmel.
Since 2018 Lee has worked as a concept artist in the TV industry and has also produced two album covers for his sax-playing hero, Roxy Music’s Andy Mackay; a series of English-as-a-foreign-language graphic novels for Penguin; written and drawn a new comic strip for Anderson Entertainment’s ‘Fireball XL5’ Anthology alongside their ‘Thunderbirds’ and ‘Space: 1999’ jigsaw puzzle artworks and is currently producing the canonical Fourteenth Doctor strip for Panini’s DWM, once again featuring Daleks.