Teio is a Senior Researcher at the Van Gogh Museum. He is interested in authenticity issues and everything connected to the places where Van Gogh lived and worked.
He wrote the catalogue of Van Gogh’s drawings in the collection of the Kröller-Müller Museum, Otterlo, and has contributed to various publications on Van Gogh, including Van Gogh’s Studio Practice (2013), The Vincent van Gogh Atlas (2015) and the exhibition catalogue Van Gogh and the Olive Groves (Dallas and Amsterdam, 2021–22). He also contributed to the exhibition and publication Van Gogh in Auvers. His Final Months (Amsterdam and Paris, 2023-24).