His paintings are inspired by sources as diverse as medieval icons, the Dutch and Flemish paintings of the Renaissance, folk art and contemporary comics. Heiko gained first recognition by the combination of medieval Christian icons with modern digital art. His works have been exhibited in his hometown of Hamburg as well as in New York, Los Angeles, Seattle, Chicago, Paris, St. Petersburg and Tartu. Also curated several exhibitions in Hamburg. He has a design diploma from the Hamburg University of Applied Sciences in Hamburg and is also working as a professional media designer and illustrator.