The Usui Reiki Network was founded in 1990 by Barbara McGregor, Reiki Master Teacher. It is an international co-operative to link graduates in the teaching centres in Europe, America, Asia and Australia. There are more than 13,000 graduates who have been trained in Reiki I and Reiki II by Barbara McGregor and Keven Duff.

Each Usui Reiki Network centre has a co-ordinator. Regional activities include seminars, home-based groups, retreats and healing intensives, and distance-healing circles. There are also International Reiki retreats.

The newsletter 'Reiki Happenings' is published twice a year, providing seminar details. Graduates may attend seminars as guests, to support the teaching, review information, and to monitor procedures for first aid and regeneration.

The Usui Reiki Network honours the philosophy of self-help and self accountability established by Dr Mikao Usui of Kyoto in the 1920's. The training passed to Dr Chujiro Hayashi of Tokyo, who taught and conducted a Reiki clinic until 1941. The lineage of teacher training then went to Hawayo Takata of Hawaii and her first Caucasian teachers, John and Beth Gray in 1973.

Beth Gray introduced the teaching of Reiki to Australia in 1983. She trained Barbara McGregor in Reiki I and Reiki II in March 1984. She appointed her as a Master Teacher in June 1990, after more than five years of intensive apprenticeship. Beth Gray's graduates have honorary membership entitlement to the Usui Reiki Network.

The Usui Reiki Network is funded solely from seminar fees and voluntary effort, and is a non-profit organisation.

Reiki Seminars is the authorised Hong Kong teaching centre of the Usui Reiki Network.