Founded in October 1987, Achievement is a human resource development consulting firm, headquartered in Tokyo, Japan. Achievement incorporated the concept of Choice Theory in training solutions to help individuals and organizations to enhance their performances. The name “Achievement” was stated by Satoshi Aoki, the founder of Achievement. It was named from his intensity that he had truly wanted to help build the client’s capabilities to achieve their goal. Achievement has handled training programs for total 280,000 individuals from public agencies to companies.