Ajahn Vajiro is the Abbot of Sumedhārāma Buddhist Monastery, Portugal. He is a highly respected monk and a prominent figure in the Thai Forest Tradition.

Ajahn Vajiro was born in Malaysia in 1953. He met Ven. Ajahn Chah and Ven. Ajahn Sumedho at the Hampstead Vihara in 1977. He joined the community in London in 1978. In 1979 he went to Wat Pah Nanchat and received upasampadā  from Ven. Ajahn Chah at Wat Pah Pong in 1980. Ven. Ajahn Vajiro returned to England in 1984, and assisted with the establishment of Amaravati Buddhist Monastery. He lived in the monasteries in the UK for many years and then went to New Zealand followed by Australia. He returned to Amaravati in 2001 and for most of this century has lived there. In 2010, he was formally invited to Portugal to help establish a monastery of the Forest Tradition there named Sumedhārāma. 

Ajahn Vajiro is known for his clear and practical teachings, emphasizing the importance of meditation and cultivating the right view as a path to liberation.