Shin-Ichiro Okajima is based at London's School of Oriental and African Studies (SOAS) and is a Japanese language specialist. His Japanese teaching areas include a year-long diploma course and short courses. He has been an external examiner for Japanese courses at a number of universities including Kingston and Queen Mary's. He also translated the national curriculum in England and Wales (Key stage 3 and 4) into Japanese and delivered a number of academic papers.