Sebastian studied painting in Germany then moved to London to complete his fine art education with an MA at Chelsea College of Art & Design in 2002, where he was awarded a Fellowship Residency the following year. His work has been exhibited in several group and solo shows internationally. Since 2004 his art practice has shifted exclusively to animation.
Recent solo shows include Kunsthaus im KunstkulturQuartier Nuremberg, Germany; Tramway, Glasgow; Sketch, London; The Showroom Gallery, London; Whitechapel Project Space; London and LUX at Lounge Gallery, London; Art on the Underground, Screen at Canary Wharf, London. He has also participated in group shows and screenings at Tate Britain, Tate Modern, London; Tate Liverpool; Site Gallery, Sheffield; Barbican, Whitechapel Gallery, South London Gallery, London and Kunsthalle Wien, Vienna. His film Purple Grey (2006) was broadcast as part of AnimateTV on Channel 4. His recent film The Chimera of M. won the Tiger Award for at the International Film Festival Rotterdam, and was also was shortlisted for the European Film Awards.