Trân-Thi-Kim-Diêu is member of the TS in France since 1972. She is a post-graduate in Pharmaceutical Technology. She is former Chairperson and current Vice-Chairperson of the European Federation of the TS and President of the TS in France.

She travels widely to encourage cooperation and promulgate the teachings as well as to share experience in service of the TS. Her main concern is to promote a new way of living where each human life can be guided by universal ethics and the
mystic dimension of consciousness.