Our Story

The Japan Conditioning Academy (JCA) is a fitness teacher training center using high quality fitness standards from Japan with the aim of advancing the world of health in Indonesia, especially in the fitness sector. JCA provides a place for everyone who wants to become a professional and high-quality personal trainer.

With increasing public awareness about health and exercise, especially in the world of fitness, we support this by providing training for prospective fitness instructors who are professional according to Japanese standards.

In addition, we also support every development by providing gradual classes so that our graduates can continue to improve their teaching skills in terms of soft skills and hard skills. We consistently provide modern, high-quality, continuous training modules and systems according to the needs of the community.

Vission & Mission


Indonesia’s No. 1 fitness business comprehensive company


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Core Value

We uphold the value of the quality of services provided and are committed to building the community and helping it continue to grow.

Japan Conditioning Academy's Founder

Meet Our CEO/Founder

Seiji Yamaoka

CEO & Founder

Seiji Yamaoka has been in the fitness industry for 30 years and started his Pilates & Yoga chain in 2008. Yamaoka believes that the practice of exercise someone’s life, a healthy lifestyle and bring a quality life to those who seriously embrace it. Formerly a professional swimmer, he graduated with an MBA in Business from Kenichi Ohmae Graduate School. Yamaoka has more than 14 years of Pilates teaching experience, especially in the Kaizen Pilates method.

In 2011, he developed Pilates & Yoga specialty store chain development (Introduction of franchise system) and he successfully developed more than 15 studios in Tokyo, Japan. He believes that anyone can bring the values and benefits of Pilates to everyone. Therefore, he created a study module for that can be studied by people who have not even known Pilates before. With this module, 60% of the instructors in the Pilates studio he develops are non-fitness basic.

Currently, Seiji Yamaoka wants to bring the benefits and value of 心技体 (Shin・Gi・Tai) Pilates which has been developed in Japan to Indonesian people. In 5 years he wants to build 50 Pilates studios in Indonesia to make everyone in Indonesia feel the benefits of Pilates more widely.