Shihan/Arjan Pierre M. Ingrassia is The One and foremost sought after Self Defense, Anti-rape and Anti-weapons instructors not only to private clientele but to law enforcement and various military forces. Having taught courses in Australia, the United States, Japan, Thailand, Hong Kong SAR and China, he is offering a 7-step progressive defense system tailor made to the requirements of the client. He is not only a Martial Artist but was also a professional body guard and security professional with 25 years of experience. His clients included Sylvester Stallone, Charlie Sheen, Nicole Kidman, Tom Cruise, Tina Turner, and various other Hollywood Celebrities. This experience coupled with his experience working on doors of Night Clubs and Entertainment district venues makes his expertise in dealing with real life threats highly valued and his system of Self Defense has been proven to be effective in hundreds of encounters. Self Defense courses are offered frequently by the gym or can be booked directly with Shihan Pierre M. Ingrassia for individuals or small groups of up to 10 people.

The One Martial Gym is mainly a personal training gym, however, due to the enormous amount of clientele we have decided to establish training sessions for multiple participants and group classes. Shihan/Adjan Pierre M. Ingrassia is obviously the most sought after Martial Arts Personal Trainer and expert not only in Hong Kong but probably in South East Asia. Lecturing and demonstrating Martial Arts, especially Shorinjiryu Kenshikai Karate Jutsu, Muay Thai, Ju Jutsu, specialist weapons training and Self Defense courses throughout Asia, Australia and Europe, his expertise is unrivalled. Personal Training with him, depending on the time slot and discipline, varies between HK$ 650 and HK$ 1,000. Personal Training sessions with any of the other Personal Trainers vary between HK$ 500 and HK$ 650 for adults and HK$ 400 and HK$ 500 for children, dependent on the time slot and discipline.