Yumi Saigusa was born in Japan 1995. She registered as a Clinical Engineer in 2017. She received her Master's degree from Nagasaki University in 2019. In 2023 she received a Master of Business Administration in Design and Leadership for Societal Innovation from the Graduate School of Leadership and Innovation, Shizenkan University. She was positions are National Institutes for Quantum Science and Technology, Institute for Radiological Science, Department of Nuclear Emergency Preparedness, Dosimetry Facility Management Section.
Her currently supports her family abroad.