Rens Holslag, trained as an industrial designer at the Technische Universiteit Delft has been an independent designer and advisor since 1987. He is specialised in the usage of computer in visual transference. As an advisor he focuses on the ergonomic aspects of user interfaces and on the organisational aspects of graphic computer usage in education and business. Rens Holslag is also a part-time teacher (graphic design department) at the Academy St. Joost in Breda, the Netherlands.