カリフォルニア州立大学Oddou教授より甲府教室古屋講師への推薦文をいただきましたのでご紹介させていただきます。

Nao’s English is excellent. He speaks like an American. I was very impressed by his accent and vocabulary. If I had Japanese children, I would be very happy to have Nao teach them.

Dr. Gary Oddou
Professor of International Business Communications
California State University