Mr. Unggung is a practitioner in the fields of energy, climate change, and project development. He has been involved in many pilot projects in the energy sector including the Carbon Pricing Pilot in the Power Sector, the Cilacap RDF Pilot, the ISO 50001 Pilot, the IGA ESCO Pilot, and the ISO 50005:2021 Pilot. He has been a program manager in the IREEM - UK-PACT program since 2022. Previously, he worked at USAID Sinar between 2021-2022. Between 2017 - 2021, he worked at the United Nations Development Programme (UNDP) in the Partnership for Market Readiness and Climate Promise programs. In 2014-2017 he worked at the Danish Embassy in Jakarta in the Environmental Support Programme Phase 3 (ESP3) program. He is a graduate of Engineering Physics, Universitas Gadjah Mada (S1) and is currently continuing his Masters in Environmental Science (S2) at the University of Indonesia. In the field of energy conservation, he is certified as an Industrial Energy Auditor and Certified Competency Assessor.