Things I’ve contributed to trying to put my dent in the universe.

These are some of the projects I’ve worked on and I'm proud about.

  • Gymday

    Fitter and healthier, even with a busy life. Gymday is a personal trainer in your pocket.

    gymday.nl

  • GSES System

    We measure, verify, and rate sustainability performance worldwide.

    gses-system.com

  • Action App

    Making the world a better place by implying daily user tasks that promote sustainability.