Jonathan worked as a clinical psychologist and practiced various meditation techniques in the 1990’s before leaving practice to search for a Vipassana meditation teacher. In 2002 he was fortunate to find Ven. Ajahn Tong, a Vipassana master, based at Wat Chom Tong in Northern Thailand. He started practicing meditation, ordained as a monk, and later started training as a teacher under Ajahn Tong. Together with his wife Anna he has taught Vipassana in Thailand, Mexico, Italy, Spain and in South Africa and they have been teaching at the Tisarana Vipassananusorn Meditation Center in Prague for the last 9 years.