Eco Matser is senior programme manager at Hivos. He has led global campaigns and international advocacy programmes for many years. At Hivos he focuses on development through decentralized renewable energy. He was responsible for the 100% sustainable campaign of Hivos from 2010 to 2015. Eco Matser has also started new programmes such as the Energy Change Lab, creating space for dangerous thinking, exploring complex ideas, and searching for innovative solutions in the energy domain in Tanzania and globally (http://www.energychangelab.org/). He also started the Sumba Iconic Island programme, where Indonesian governments, civils society organisations and private sector work together to provide 100 renewable energy for the 700.000 inhabitants of this poor Indonesian island.