About the Author

John Restrepo received an MSc from Eafit University, Medellin, Colombia (1997) and a PhD from the Technical University of Delft (2004), Department of Industrial Design. He has been a researcher and lecturer at both universities. In addition, Restrepo has designed multiple technical systems, such as computer controlled machines for the plastic industry and booths to apply liquid paint and powder coatings. Currently Restrepo is an assistant professor at the Techical University of Denmark at the Department of Mechanical Engineering.