| Born on | - 12 October 1957 |
| Family Name | - Eralil family, Ayyampilly (Ernakulam District) |
| Parish Church | - Ayyampilly St.John’s Jacobite Syrian Church |
| Education | - Chartered Accountant |
| Korooyo | -15 October 1990 (ordained by H.G. Osthatheos Thomas) |
| Kassisso | - 09 January 1993 (ordained by H.G. Osthatheos Thomas) |
| Ramban | - 15 August 1997 (ordained by H.H. Patriarch Ignatius Zakka I) |
| Metropolitan | - 08 December 2002 (ordained by H.H. Patriarch Ignatius Zakka I) |
| Current Responsibilities | - 1. Metropolitan of Simhasana churches of South Kerala |
| - 2. Abbot of Mor Ignatius Dayro, Manjinikkara |
H.G. Mor Athanasius Geevarghese was born in the Eralil family of Ayyampilly on 12 October 1957 to Late Mr. G. Korah and Susan Korah. He was baptized by name Varghese. H.G's school education was at the Rozaris School at Thoppumpady and the St.John's School at Thrikkakkara. In 1979 he passed out from the St.Alberts College at Ernakulam in B.Sc. Physics. Later he joined A A Menon & Associates atErnakulam as a Chartered Accountant Student and successfully completed the course.
Though a Chartered Accountant by profession he was more inclined towards Priesthood. On 15 October 1990 H.G. Dr. Thomas MorOsthatheos ordained him Korooyo at the AyyampillySt.Gregorios Chapel. On 9 January 1993, he was ordained Kassisso again at the blessed hands of Dr. Thomas MorOsthatheos Metropolitan at the Kyomtha Seminary Chapel, Thiruvankulam. From 1993 to '94 he served as the Vicar of St. George church atCherai and later as the vicar of his home parish, the St. John's church at Ayyampilly.
On 15 August 1997 he was ordained Ramban (Dayroyo) by H.H. Ignatius Zakka I Patriarch of Antioch at the Patriarchal Cathedral in Damascus . On 8 December 2002, H.H. Ignatius Zakka I, the Patriarch of Antioch and all the East, ordained him Metropolitan by name 'Athanasius' at the Patriarchal Cathedral in Damascus.
