Handriyanti has been an energy analyst expertizing in renewable energy modelling since 2014. She got her PhD degree in the field of renewable energy optimization from University of Padova, Italy. Her interest in renewable energy was built during her internship in Laboratory of Transfers in Hydrology and Environment, France to finish her master degree in Environmental Science from Université Joseph Fourier Grenoble I (now is Université Grenoble Alps), France. Her bachelor degree is from Environmental Engineering department of Sepuluh Nopember Institute of Technology, Indonesia. She is now working in Institute for Essential Services Reform (IESR) as a Senior Researcher in Renewable Energy. Besides being an expert in renewable energy, she is also an independent illustrator drawing mostly about slice of life comics and illustrations regarding gender equality, human rights, and women empowerment.