Calum worked as an illustrator for MTV before moving into animation and directing award-winning idents for the channel and others such as Living, Bravo and Channel 4. He has directed commercials for the likes of Braun, Nestle, Calm and Simple, as well as music videos for JP Cooper, Melody Gardot, James Blunt, Jake Shears and Empathy Test. His short films Worship and 82 have won several awards at film festivals worldwide. He is also an accomplished photographer and painter.