His Grace, Metropolitan Zachariah Mar Nicholovos was born on August 13, 1959 to P G George(Puthenpurayil Athikkanadiyil branch) and Susy George (Manammel Thayyil), in Mepral. His boyhood name was Cheriyachen, and was the fourth of five children.
Upon finishing his high school education, he enrolled in Malabar Christian College for his undergraduate education. Later, he moved with his family where he completed his Bachelors in Arts, (English) from Saint Joseph College, in Calicut. He then completed his Bachelor of Divinity, and his Master of Theology degree from United Theological College in Bangalore. His uncle and mentor, Metropolitan Kuriakose Mar Coorilose ordained him to the Holy Diaconate on January 4th, 1986 and to the Priesthood on May 16, 1990 at his home parish St. John's Church, Mepral.
As a priest, he served parishes in the Diocese of Kandanad, as the Ecumenical Secretary of the Malankara Syrian Orthodox Church, and taught as a professor at the Malankara Syrian Seminary at Mulanthuruthy, until he was called to be consecrated to the holy episcopacy. His Holiness Moran Mar Ignatius Zakka Iwas I, Patriarch of the Syriac Orthodox Church, consecrated him as Metropolitan on August 15, 1993.
In 2002, His Holiness Moran Mar Baselios Marthoma Mathews II appointed Metropolitan Mar Nicholovos as the Assistant Metropolitan of the American Diocese. On February 26, 2011, His Holiness Moran Mar Baselios Marthoma Paulose II, appointed Metropolitan Zachariah Mar Nicholovos as the ruling Metropolitan of the Northeast American Diocese and was later enthroned on May 21, 2011.
In addition to Metropolitan Nicholovos' responsibilities to his Diocese, His Grace functions in various capacities which impact the Malankara Church, the Northeast American Diocese, and the greater ecumenical world:
- President of the Department of Ecumenical Relations of the Malankara Orthodox Syrian Church
- Working Committee & Executive Committee Member to the World Council of Churches (WCC) -
- Member of the Permanent Commission on Concensus & Collaboration of the WCC
- Governing Board member of the National Council of Churches in the United States (NCCUSA)
- Member of the Board of Trustees of Saint Vladimir's Orthodox Theological Seminary
- Member of the Board of Directors for Church World Services (CWS)