Fabby Tumiwa

Executive Director

Fabby Tumiwa is an energy transition strategist and the Executive Director of the Institute for Essential Services Reform (IESR), an Indonesia think tank in energy policy and environment. IESR advocates for the low carbon energy transition in Indonesia.

Fabby has been working on energy policy and regulation for more than 20 years, as well as a practitioner of renewable energy. He advises various Indonesian government agencies, businesses, and NGOs, as well as multilateral development organizations in electricity regulation, renewable energy, and energy efficiency policy and regulation, and climate change policy. From 2006 to 2017, he was a member of Indonesia negotiator on climate change negotiation.

Fabby Tumiwa is one of the founders of the Indonesia Solar Energy Association (ISEA) in 2016, then serves as vice Chairman, and since 2021 he has been leading the association as the Chairman. He was with the executive committee on institutional cooperation of Indonesia Energy Efficiency and Energy Conservation Society.

Fabby is a 2007 LEAD Fellow and 2009 Eisenhower Fellow. By 2021, Fabby has been appointed as a member of the Sustainable Advisory Council of GoJek Indonesia and serves as an advisory board member of Indonesia Energy Transition Partnership (ETP).  Fabby studied Electronic Engineering at Satya Wacana Christian University.