Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Gaba Corporation is a chain of eikaiwa in Japan. The company was founded in 1995 and is currently headquartered in Shibuya-ku in Tokyo with learning studios in the Tokyo, Chiba, Yokohama, Nagoya, Osaka, Kyoto, and Kobe areas. The current president and CEO is Kenji Kamiyama. The company provides language lessons on a "one-to-one" basis and using textbook lessons and online instructor aids, language and vocabulary drills, and guided conversation topics.