Jean-François Mayer

Jean-Francois Mayer (born 25 April 1957) is a Swiss religious historian, author, and translator. He is also Director of the Institute Religioscope, which he founded. His writing focuses on religion and new religious movements, including the Unification Church, the Church of Scientology and the Pilgrims of Arès. In the 1990s, he was an analyst for the Swiss federal government.

Mayer is most well known for his work covering the Order of the Solar Temple, having been personally consulted by the Swiss police in their investigation of the group. He has been described as "probably the world's leading authority on the Solar Temple". Provided by Wikipedia