Koos Eissen and Roselien Steur

Both are experienced lecturers at both University and Art Academy level. 

Koos Eissen is an associate professor at Delft University of Technology in the Netherlands, where he is responsible for the freehand and digital drawing classes at the Faculty of Industrial Design Engineering. 

Roselien Steur lectures at the Royal Academy of Arts in The Hague and specialises in design sketching workshops for professionals.