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Keiichi Hashimoto, 7th Dan Instructor, is from Saitama Prefecture. He started his career at the age of 5 at Kenseikan Hashimoto Dojo, a dojo on the family estate started by his grandfather. He went on to Teikyo University after attending Keihoku Junior and Senior High School in Tokyo. After graduating from university, he worked for Ida Technos Co., Ltd., a powerful corporate team.
In 2012, he became the first private citizen from Saitama Prefecture to compete in the All Japan Kendo Championships in 53 years, and made it to the top eight in the same year, winning the Outstanding Player Award.
In 2016, he contributed to the team's victory at the All Japan Prefectural Championships (Saitama Prefecture's first victory in 26 years) and was awarded the Most Valuable Player Award.
In 2018, he was selected to compete in the All Japan Kendo Seventh Dan Championships, becoming the first civilian to win the championship in history.
In 2023, he became the oldest participant in the All Japan Kendo Championships and won the Outstanding Player Award.

主な戦績には、全日本選手権大会ベスト8(出場7回)、全日本選抜七段選手権大会優勝(出場6回)、 全日本東西対抗大会出場4回、国体優勝1回出場9回、全日本都道府県対抗大会優勝1回3位1回出場13回、 全日本実業団大会準優勝、関東実業団大会優勝2回準優勝1回3位1回、全日本学生剣道選手権大会3位1回などがある。
He was selected as a candidate for the Japanese national kendo team from 2003 to 2006. (As of 2024)

In order to compete against the overwhelming amount of training required by police officers, martial artists have used a variety of training methods and approaches from various angles to close the gap, which has led to a shift to a more in-depth exploration of the principles of interpersonal competition, which continues to this day. They continue to use a variety of methods, including training, practice, mental training, and weight training, in an effort to improve their performance. Their goal is to remain active for a long time.