Ria La Rivière (1946) Ria is author of 5 books. She has her own column in the culture magazine SIGNS. She oversees the financial administration of the Continental Art Centre. As artist she is specialised in styling and fashion. She has an unique shop ‘Chez Maria’ selling art and clothes/fashion, and designs and makes clothes of all kind of materials and offering as well special courses and workshops.. The shop you can find in an unique place of Rotterdam. Where a lot of artists have there galeries and ateliers. In 1999 she wrote a book about spiritual manipulation, this book was the start of the Association to fight spiritual manipulation.