Since Mr Koyama was appointed for two director posts in METI in July 2017, he has been working on overseas energy infrastructure development, multilateral and bilateral cooperation on energy, especially with South East Asia, South Asia, Middle East and Africa as Director, Overseas Energy Infrastructure Office. He has been also in charge of international affairs as Director in the Energy Efficiency and Renewable Energy Department.
From September 2015 to July 2017, he used to work on the development of domestic renewable energy expansion, especially solar PV and energy storage technology development.
From September 2012 to September 2015, he was the Senior Programme Officer - Innovation and Technology, International Renewable Energy Agency (IRENA) in Abu Dhabi, United Arab Emirates. In IRENA, he had been focusing on analytical work such as country analysis of renewable roadmap 2030, the flagship project of IRENA, and support on human resources development.
Before joining IRENA, he had worked for METI and has a long experience in policy planning, development of electricity sources, research and development of nuclear energy, regulation, communication and international cooperation in the energy field.
He also has an experience of working for the International Atomic Energy Agency (IAEA) in Vienna as a Public Information Specialist from 2003 to 2006 and had worked to improve the communication skills of communicators. He worked to research the privatisation of UK’s electricity industry in the Department of Trade and Industry of the UK as a researcher of the Government of Japan from 1996 to 1997.