Sonoyo, or Sono, was born in Kanazawa, Japan. After graduating from the Department of Nursing, Kanazawa University, she worked for medical institutions for over 20 years. Sono's experience in medical services includes internal medicine, pediatrics, allergies, neurology, rheumatology, cardiovascular medicine and home-visit nursing. Sono left these medical institutions in 2004. From 2008, Sono has been holding Hemi-Sync® seminars in Fukui. In 2010, Sono, as a bioresonance therapist, also started holding workshops and lecturing.