Oki Suprada Ompusunggu, S.T., M.Sc., was born on September 13, 1992 in Simalungun Regency, North Sumatra. Currently, Oki is a lecturer at the Mechanical Engineering Study Program, Faculty of Engineering, Universitas Sumatera Utara. Oki has completed his Master of Mechanical Engineering in Optical Thermal and Fluid Science in 2018 at National Taiwan University of Science and Technology, Taiwan.