Vasiliki I. Stathokosta was born in Lamia and graduated from the First General High School of Lamia. She studied Theology at the Department of Theology of the School of Theology at Aristotle University of Thessaloniki.

She pursued graduate studies: a) at the School of Theology of Aristotle University of Thessaloniki, in Symbolism under the supervision of Professor N. Matsoukas, b) at the Ecumenical Institute of Bossey/Faculty of Theology of Geneva (Geneva, Switzerland), where he earned the relevant degree (October 1993 – March 1994); and c) at the Faculty of Theology of the University of Fribourg, Switzerland, under the academic guidance of Fr. Liam Walsh, a Dominican professor of Systematic Theology, where he took courses in Dogmatics, History, Missiology, and the Ecumenical Movement (October 1994–December 1995).

He was a fellow of: a) the “Permanent Delegation of the Ecumenical Patriarchate to the World Council of Churches” (Geneva, Switzerland) and the “World Council of Churches” (WCC) (Sept. 1993 – Feb. 1994), b) the “Ecumenical Theological Education” Commission of the WCC (academic year 1994–1995); and c) the “Comité Catholique pour la Collaboration Culturelle” of the Pontifical Council for Promoting Christian Unity of the Roman Catholic Church for graduate studies and research at the Theological Faculty of Freiburg, Switzerland, and d) the State Scholarships Foundation (I.K.Y.) for postdoctoral research (2002–2003).

In December 1999, she completed her doctoral dissertation on the topic: “Relations between the Church of Greece and the World Council of Churches, 1948–1961. Based on archival material from the WCC”, and in April 2000 she was awarded a Ph.D. in Theology with the grade “Summa Cum Laude.”