George Mathew Nalunnakkal was born in Nalunnakkal, Kottayam, Kerala in 1965 as son of P.C. Mathew and Marykutty . He has two brothers and four sisters. He was baptized at St. Adai’s Jacobite Syriac Orthodox Church, Nalunnakkal, his home parish. His early schooling was done at St. Adai’s Primary School, St. Elias Upper Primary School, Nalunnakkal and Jerusalem Mount High School, Vakathanam. After his schooling he joined St. Berchmans' College, Changanacherry where he did his Pre-Degree and Graduation in English literature.
Theological studies
After his graduation, he joined the United Theological College, Bangalore for his theological studies. He completed his B.D in 1990 in first class and was appointed as Research Assistant in the department of Church and Society. In 1991, he joined the faculty of the M.S.O.T.Seminary in Mulanthuruthy, Kerala. In 1992 he was offered a scholarship to do his doctoral studies in England and he joined the University of Kent at Canterbury, England to do his Ph.D in Ecotheology under Anglican Professor Robin Gill. On completing his Ph.D, he rejoined M.S.O.T.Seminary and resumed teaching. In 2001 Mor Coorilos joined the teaching faculty of the United Theological College, Bangalore.
Ordination
Mor Coorilos was ordained a deacon in 2001 and a priest in 2002 by Thomas Mor Themotheose Metropolitan. After his ordination, he served as vicar in different parishes in Kerala and assistant vicar in one of the Bangalore parishes. In 2006, he was elevated to the position of Bishop
Mor Coorilos was the chairman of Theeram, India Center for Social Change, a charitable trust that Mor Coorilos founded in 2002 which has been working for the welfare of mentally challenged children in Kerala. Under his leadership this institution has established thirteen vocational training and day care centers in various parts of Kerala and a full-fledged residential centre in Puthuppally, Kottayam under the name "Theeram", where about 225 mentally challenged boys and girls are being trained. Theeram has also started an old age home in the tsunami-hit area of Alappadu in Karunagappally, Kerala.
Mor Adai Study Center
Metropolitan Coorilos was serving Mor Adai Study Center as its working president. He was the co-founder and the executive director since 2003 and when he was elevated to the position of metropolitan, he became the working president.
Published works
Coorilos's published works include:
Jeevante Akhosham, Bible Studies in Malayalam, KCC/EDTP, Tiruvalla, 1998
New Beings and New Communities: Theological Reflections in a Postmodern Context, KCC/EDTP, Tiruvalla, 1998
Green Liberation: Towards an Integral Ecotheology, NCCI/ISPCK, Delhi, 1999
Quest for Justice: Perspectives on Mission and Unity, NCCI/GURUKUL/ISPCK, Delhi, 2000
Re-routing Mission: Towards a People’s Concept of Mission, CCA/CSS, Tiruvalla, 2004.
HIV/AIDS: A Challenge to Theological Education,, BTESSC/Sathri, Bangalore, 2004.
Sathya Vishwasa Padanangal,Essays in Malayalam on Oriental Orthodox faith, Mor Adai Study Center, Cheeranchira, 2003
Kazhchapadukal, Essays in Malayalam, Mor Adai Study Center, Cheeranchira, 2002