Rev. Saju Chacko (Mathilunkal) was born at Kuttapuzha in Thiruvalla, Kerala in 1979. Achen received his bachelor's degree from Mar Thoma College, Thiruvalla and Bachelor of Divinity from Mar Thoma Theological Seminary, Kottayam in Kerala, India. He was ordained as a priest in 2006. He served as Diocesan Secretary and Bishop's Secretary(for 5 years) in the Kottayam-Kochi Diocese before he was appointed at Bethel MTC. He has served in several mission fields including Kundara Salem, Paruthanpara Emmanuel parishes as Missionary, Associate Vicar, Vicar, Bishop's Secretary, Diocesan Secretary following his ordination.