Sebastián has used different disciplines such as photography, writing, sound and video to explore a variety of topics related to fiction, poetic strategies and landscape.
He also has published two books of literary fiction. The first, Tartamudo, published in Colombia, addresses the issue of stuttering from a choppy and fractionated writing. The second, The Secret Sound of the Stars, published in Mexico, is a children's book that tells the story of a kid who doesn´t sound at all.
On the other hand, Sebastián has been a professor of photography and art processes in Colombia and México.
He lives and works in Madrid, Spain.