He is the founder & chief advisor of Mahamevnawa Buddhist Monastery[1],Mahamevnawa Maha Sangha Saba(මහමෙව්නාව මහා සංඝ සභාව) and Shraddha Media Network.Many people address Him as "Pinwath Loku Swamin Wahanse(පින්වත් ලොකු ස්වාමීන් වහන්සේ)" Gnanananda became a monk at age 17 on 26 March 1979 under Dambagasare Sumedhankara Thero and Dikwelle Pannananda Thero at Seruwavila.

He now teaches Buddhism (Theravada), emphasizing the need to practice it in pure form (i.e. as in the Sutras) and casting off what is not advocated by the Buddha.

Go in search of this wonderful Dharma yourself, lead your life accordingly, get rid of your suffering and join that fortunate band of people who experience the Supreme Bliss: 'A Message by Venerable Thero'.

Also, there was a weekly dhamma discussion program telecasted on TNL television named "Namo Buddhaya" in which Thero participated.

[12] Kiribathgoda Gnanananda Thero is considered to be the Buddhist monk who wrote the largest number of Buddhist texts.Gnanananda Thero has written many books based on the teachings of Buddha and also translated many pali written books like Mahavamsa and Nettipakarana.