As Head of Sustainability at Roskilde Festival in Denmark – the largest music festival in Northern Europe with more than 130.000 guest for 8 days – Sanne Stephansen is responsible for setting and achieving the festival's sustainability targets. With a special focus on green transition, Sanne is working with colleagues, volunteers and partners in making sure the festival creates new solutions, explores new ideas and possibilities that engage participants, and show that the green transition is indeed possible.