Purnomo joined GAR in October 2014. He had held many positions for the government, multilateral institutions and international and national NGOs, including Special Assistant to the President of Indonesia for Climate Change (2010-2014), Special Assistant to the Minister of Environment (2004-2009), the World Bank (2002-2004), Executive Director of WWF Indonesia, and half a dozen other national organizations on sustainable development issues. He graduated with a Master’s Degree in Environmental Conservation Policy from Tufts University in the US in 1994 and a Master’s in Business Administration from Prasetya Mulya Management Institute in Indonesia in 1985.