Rahmandhika Firdauzha Hary Hernandha (Ozha) is a Doctoral student in Energy Storage and Electrochemistry laboratory, Dept. of Materials Science and Engineering, National Yang-Ming Chiao-Tung University (NYCU), Taiwan. Now Ozha's working on battery materials research projects, in collaboration between NYCU, Taiwan Ministry of Science and Technology (MOST), and some Taiwan's multinational companies. Ozha also one of the Founder and Head of Advisor in Yayasan Pendidikan PPI Taiwan, an education-based organisation for Indonesian migrant workers in Taiwan, run by Indonesian students association (PPI Taiwan) and alumni.