Matara Sri Nanarama Mahathera (author of 'Seven stages of Purification' and 'Seven Contemplations', both published by the BPS), to direct the meditation training, and then, his mission accomplished, he himself entered the Buddhist order under the name Mitirigala Dhammanisanthi.
Śrī Kalyāṇī Yogāśrama Saṃstha has expanded to include forest hermitages like Kurunegala Ruwangiri, Meethirigala Nissarana Vanaya, Buttala Budu Gallena Aranya, Ampara Piyangala Aranya, Colombo Sri Kalyani Ashrama, Thalangama Sri Shanthi Yogashrama, Kurunegala Nathagana Aranya, Malsiripura Na Uyana Aranya, Padaviya Galpiyum Aranya, etc.