Professor Tadashi Nishihira is a professor at the Graduate School of Education in Kyoto University Japan with more than 28 years of teaching experience various universities in Japan. Noriko Nishihira has a certificate of junior course of practical theology and is currently oversee the work of Loden Foundation- Japan.

Professor Tadashi first visited Bhutan in 2009 and has been coming every year to Bhutan with this wife Noriko ever since. Aside from their busy life in Japan, they continue to promote the work of Loden Foundation in Japan.