Yoshiko was born in a Deaf family in Fukui Prefecture and attended a school for the deaf. She is now a part-time lecturer at National Rehabilitation Center for Persons with Disabilities Course of Sign Language Studies and an anchorperson for NHK's Sign Language News. Her family consists of her husband, son, and daughter.
"I'm happy that a not-so-tech-savvy person like myself can assist the learners of sign language today through a web service like Signs I/O."