About JAC

About JAC

- About Japanese Association of Chiropractors -


Japanese Association of Chiropractors (JAC) among numerous “chiropractic organizations” in Japan represents national chiropractic profession and the only member of the World Federation of Chiropractic (WFC) since 1999. JAC is registered as a Japanese government recognized corporate organization since 2007. The members are internationally recognized qualified (WHO-standards) chiropractors in Japan who are majority of WHO-standards chiropractors in Japan.

After the National Consumer Affairs Center of Japan (NCAC) released the report, JAC has been regularly communicating with NCAC, the Consumer Affairs Agency, the Japan Advertising Review Organization (JARO) and the Ministry of Health, Labour and Welfare (MHLW) for public safety. JAC has been supporting a self-regulatory body, the Japan Chiropractic Register (JCR) for protecting patients’safety in chiropractic. JAC also established the Japanese Society of Chiropractic Science (JSCS) within and holds a research conference annually to promote an evidence based practice in chiropractic. The JAC policies are as follows:


  1. With international cooperation such as the WFC, the JAC introduces and promotes international standard of chiropractic in Japan in education as well as in legislative efforts.
  2. Promoting chiropractic awareness among Japanese people through various news media as well as scientific research.
  3. Promoting professional ethics among membership particularly prohibiting members to teach chiropractic techniques to anyone other than those who have had recognized educational programs or their students.



To promote and develop chiropractic for the nation’s health care.


To encourage chiropractors to follow the professional code of ethics and upgrade their clinical competency, furthermore to promote chiropractic profession in the healthcare system as an internationally recognized profession for the nation’s health and welfare .

JAC Board of Directors

2023-2025 Board of Directors
Honorary PresidentMr. Masao Akamatsu (former vice-minister of MHLW)
PresidentDr. Simon Takayanagi
Vice PresidentDr. Junko Usuda
National Chief DirectorDr. Shuhei Oguchi
National DirectorDr. Tom Wakatsuki
National DirectorDr. Masaru Sakuta
AuditorDr. Junya Kage
Chairman of East Japan regionDr. Daisuke Nozaki
Chairman of West Japan regionDr. Junko Usuda
Chairman of Kyushu regionDr. Bungo Ishimaru
Executive Advisers
Research AdvisorProf. Masayoshi Tsuruoka
Research AdvisorProf. Seika Kamohara
Research AdvisorDr. Yoshiaki Takeyachi
Legal Advisor (Lawyer)Ms. Keiko Tamura
Legal Advisor (Lawyer)Mr. Kengo Hatai
Audit AdvisorTooyama Accounting Firm
Executive OfficerDr. Kei Takeyachi
Administrative OfficerMs. Kaori Yanagisawa

Strategic Goals

– Research: Study of safety and effectiveness in chiropractic

– Clinical: Recognition of the WHO standards chiropractors in Japan

– International: International meeting and academic exchanges with schools and institutes of overseas

– Education: Promotion of chiropractic education in the WHO standards

– Social: Legislation of chiropractic in Japan



Japanese Association of Chiropractors (JAC) had oragnised the JAC Symposium that is a workshop-based national conference from 1999 to 2017.


Research Conferences:

Japanese Association of Chiropractors (JAC) has its research arm, the Japanese Society of Chiropractic Science (JSCS) that hosts an annual chiropractic research conference since 1983. The research conference was named as Clinical Symposium on Chiropractic from the 1st to the 8th and was named as JSCS Annual Research Conference from the 9th.

1stJapan Seinen Hall, TokyoNov 11-12, 1983
2ndAsakusa View Hotel, TokyoNov 23-24, 1985
3rdNational Kyoto International Hall, KyotoOct 10-12, 1987
4thKanazawa Tourism Hall, KanazawaNov 3-5, 1989
5thKagoshima City Cultural Hall, KagoshimaNov 2-3, 1991
6thRoyton Sapporo, SapporoNov 21-23, 1993
7thShin Yokohama Prince Hotel, YokohamaSep 2-3, 1995
8thTsukuba University Tokyo campus, TokyoMar 11, 2018
9thMakuhari Messe, ChibaNov 11-12, 2018
10thShowa Women’s University, TokyoNov 3-4, 2019
11thKotsu Building, TokyoNov 3, 2020
12thShibaura Institute of TechnologyNov 21-22, 2021
13thOnline (via zoom)Jun 19-20, 2022
14thOnline (via zoom)Jun 18-19, 2023
15thOnline (via zoom)Jun 16-17, 2024