In 1986, when the 4-year cycle of Principalship rolled onto the Samavesam of Telugu Baptist Churches, its Church Society Council chose S. Joseph to lead the Society as the Principal of the Protestant Seminary.
 During the tenure of Suppogu Joseph as Principal, faculty lectures were initiated together with two of his colleagues, the Hamburg-educated New Testament Scholar Klaus Schafer and the Old Testament Scholar G. Babu Rao  and the three of them were able to create interest among other faculty members to write scholarly papers which were reviewed and published under the title Reflections on Theology Today:  Papers presented by Faculty of Andhra Christian Theological College, Secunderabad, India during the academic year 1988-89 on Theology and the Mission of the Church.
Apart from Klaus Schafer, there was another visiting faculty from the Kirchliche Hochschule Wuppertal, de:Jürgen Fangmeier, a notable Systematic Theologian who also taught at the Protestant Seminary leading to availability of international Scholars at the Seminary.

In early 1990, S. Joseph led the Protestant Regional Theologiate in its Silver Jubilee Celebrations after the founding of the College in 1964 at Rajahmundry.
 The Silver Jubilee of the near-ecumenical initiative that resulted in the founding of the College marked a good number of footfall of the alumni over a period of 5 days during 17 to 21 January 1990 in the premises of the College in Secunderabad where Bible Studies and Reminiscences were held every day during the Silver Jubilee Week.
which was also attended by his predecessor, K. David who travelled from Serampore.
 The Board of Governors of the College at that time included, S. E. Krupa Rao, B. R. Devapriam, D. N. Samuel, K. E. Swamidass, T. B. D. Prakasa Rao, Victor Premasagar and others.

After administering the Seminary for four years that ended in 1990, the Principalship rolled onto the Andhra Evangelical Lutheran Church Society which chose M. Victor Paul to represent the Church Society as Principal.
After remaining in ACTC for one more academic year, S. Joseph accepted a teaching assignment in Gurukul Lutheran Theological College, Madras and proceeded on leave-on-lien returning to ACTC in 1998 after the Principalship of the Systematic Theologian R. Yesurathnam.

In 1992, S. Joseph was a recipient of residency at the Overseas Ministries Study Centre in New Haven, Connecticut, where he spent time on learning in a missional setting of diverse cultures.
In 1986, when the 4-year cycle of Principalship rolled onto the Samavesam of Telugu Baptist Churches, its Church Society Council chose S. Joseph to lead the Society as the Principal of the Protestant Seminary.  During the tenure of Suppogu Joseph as Principal, faculty lectures were initiated together with two of his colleagues, the Hamburg-educated New Testament Scholar Klaus Schafer and the Old Testament Scholar G. Babu Rao  and the three of them were able to create interest among other faculty members to write scholarly papers which were reviewed and published under the title Reflections on Theology Today:  Papers presented by Faculty of Andhra Christian Theological College, Secunderabad, India during the academic year 1988-89 on Theology and the Mission of the Church. Apart from Klaus Schafer, there was another visiting faculty from the Kirchliche Hochschule Wuppertal, de:Jürgen Fangmeier, a notable Systematic Theologian who also taught at the Protestant Seminary leading to availability of international Scholars at the Seminary.
In early 1990, S. Joseph led the Protestant Regional Theologiate in its Silver Jubilee Celebrations after the founding of the College in 1964 at Rajahmundry.  The Silver Jubilee of the near-ecumenical initiative that resulted in the founding of the College marked a good number of footfall of the alumni over a period of 5 days during 17 to 21 January 1990 in the premises of the College in Secunderabad where Bible Studies and Reminiscences were held every day during the Silver Jubilee Week. which was also attended by his predecessor, K. David who travelled from Serampore.  The Board of Governors of the College at that time included, S. E. Krupa Rao, B. R. Devapriam, D. N. Samuel, K. E. Swamidass, T. B. D. Prakasa Rao, Victor Premasagar and others.
After administering the Seminary for four years that ended in 1990, the Principalship rolled onto the Andhra Evangelical Lutheran Church Society which chose M. Victor Paul to represent the Church Society as Principal. After remaining in ACTC for one more academic year, S. Joseph accepted a teaching assignment in Gurukul Lutheran Theological College, Madras and proceeded on leave-on-lien returning to ACTC in 1998 after the Principalship of the Systematic Theologian R. Yesurathnam.
In 1992, S. Joseph was a recipient of residency at the Overseas Ministries Study Centre in New Haven, Connecticut, where he spent time on learning in a missional setting of diverse cultures.
Suppogu Joseph