OpenTop is a collective consisting of Femke Bijlsma (1972) and Allard Roeterink (1973).
Femke Bijlsma works as an independent architect and as a journalist for international magazines. She is also part of a research project on the suburbanisation of Tokyo.
Allard Roeterink is a freelance interaction designer specialized in digital appliances. He also teaches Product Experience at the Design Academy in Eindhoven. The OpenTop collective brings these disciplines together in spatial interactive installations that focus on playful and creative uses.