- Chair and of the Steering Committeee of the Symposia on Implementation and Application of Functional Languages (IFL)
- Member of the Steering Committee of the Symposia on Trends in Functional Programming (TFP)
- Member of the Steering Committee of the Haskell Symposium
- Editorial member of the music magazine iO Pages (www.iopages.nl), and I am producer of a number of music documentaries.
- Full professor and Head of Department at Heriot-Watt University