Hitoko graduated from the University of Northern Iowa in the United States with a Diploma of Communication speech, and a major in Communication for Masters Degree (MA). She worked for a Industrial equipment manufacturing company in Japan, and contributed in establishing the section, “Overseas’ Support Service” within the company. Hitoko holds a nursery school teacher license and a J-shine License (certified English teacher for Elementary schools in Japan.). She has been teaching English for 6 years and has been at ISN since 2013.