At the beginning of the 1990s, Claude Jeandrain started attending meditation evenings guided by Marie-Cécile Forget in Brussels. She also participated in intensive weekends organised by Marie-Cécile in her chalet in Oignies (Belgium). In 2002, she made her first two-week retreat at the Sakyamuni Centre (Saint-Agnan, France), under the guidance of Sayadaw U Paññathami and Sayadaw U Vivekananda. Since 2008, she regularly participates in intensive retreats organised at the Dhammaramsi Centre in Riviere. Claude Jeandrain is a full member of the Dhamma Group.