Faculty and Staff

Seminary Rector

Rector Dr. C. Walter Winterle

Rector Dr. C. Walter Winterle

Rector Winterle was installed in early 2018. In addition to his service as LTS rector, he serves as project co-ordinator for the theological education and mission efforts of the Mission of Lutheran Churches (MLC) in Mozambique, where a nascent Lutheran church body has recently been established. Rector Winterle gladly provides presentations on the work the Lord of the church is doing in Mozambique.

Dr. Winterle has a long history of service in the church. He was ordained in 1973 and served in various mission congregations in São Paulo, Brazil, as the Brazilian Lutheran Hour speaker, and also in various positions of leadership in the Brazilian Lutheran Church (IELB). He was an assistant professor for homiletics at Concordia Seminary in São Paulo before being called to serve as the National President of the Evangelical Lutheran Church of Brazil. Dr. Winterle also served on the executive of the International Lutheran Council.

After two terms of office as IELB president, he was called to serve at the Uhuru Highway Lutheran Cathedral in Nairobi, Kenya in 2006. In 2010, he received a call to South Africa to serve at St Thomas Lutheran Church, the FELSISA congregation in Cape Town. After his retirement from congregational work in Cape Town, the MLC called Dr. Winterle to a fulltime role as missionary.

The Concordia Universities in Austin and Irvine in the USA recognized his service by bestowing upon him honorary doctorates in Law (L.L.D) and Divinity (DD), while Concordia Seminary in St. Louis, MO, USA has recognized his contributions to mission by awarding him another honorary Doctor of Divinity degree. Dr. Winterle and his wife Lídia have three adult children and six grandchildren.

Email him at cwwinterle(at)gmail.com.

Full-time Faculty

Rev. Dr. Heinz A. Hiestermann (Registrar)

Dr. Hiestermann joined the faculty in 2020, specializing in New Testament Studies. He also serves as seminary registrar.

After completing his BCom degree in Business Management at the University of Pretoria (1999-2001), he started his theological studies with a B.A. degree (2004-2006), again at the University of Pretoria. Thereafter he studied at the Lutherische Theologische Hochschule in Oberursel, Germany (2007-2012), including some semesters at the Johannes Gutenberg University Mainz and the Goethe University Frankfurt. He completed his Ph.D. in New Testament Studies at the University of Pretoria (2016).

He served as pastor of the St. Peter’s Evangelical Lutheran Congregation, Greytown, South Africa (2014-2019) (FELSISA). Since 2017 he serves as chairman of both the Theological and Examination Commissions of the FELSISA.

He and his wife, Renate, have two daughters.

Email him at hhiestermann(at)lts.ac.za.

Rev. Mbongeni John Nkambule

Rev. Nkambule has served on the faculty of the LTS since 2012. His area of concentration is practical theology, although he does also have a love for Old Testament/Hebrew studies.

He studied at Enhlanhleni Theological Seminary (predecessor to the LTS) until it relocated to Pretoria, where he graduated in 2002. He continued his theological studies at the University of Pretoria, where he received his B.A. Honours in Missiology (2005), and, after some years of parish ministry, his M.A. in Missiology (2013). Rev. Nkambule is currently enrolled as Ph.D. student at Concordia Theological Seminary, Fort Wayne, IN, USA.

He served as pastor at Tembisa Lutheran Church (2004-2006), and at the dual parish of Naledi and Mohlakeng Lutheran Churches (2007-2018) (LCSA). He also served in prison ministry in Johannesburg Correctional Services and on the board of Lutheran Hour Ministries South Africa (2009-2012). In early 2018, Nkambule was released from parish ministry in order to lecture at the LTS full-time.

He and his wife, Thandi, have three children.

Email him at mjnkambule(at)lts.ac.za.

Mr. Mintesinot Birru Hanfato

Mr. Mintesinot Birru Hanfato graduated with B.Th. (1998-2002) from Mekane Yesus Seminary, and got his M.Div in 2009 from Ethiopian Graduate School of Theology. He served as a youth ministry leader, Synod youth ministry secretary, Synod Gospel and Mission department director, Bible translator, Comprehensive Project manager, Lecturer at different Bible schools and Colleges. He joined LTS coordinating distance education which was coming from Mekane Yesus Seminary and giving tutorials for distance education learners at LTS since 2015. He became Librarian and Lecturer at LTS since 2018. In 2020, he is registered with UNISA for his Ph.D. study.

Email him at mintesbir(at)gmail.com.


Rev. Tobias Ahlers

Rev. Ahlers has begun lecturing at the LTS in a part-time capacity since early 2018. His area of special interest is Lutheran systematics.

He received his B.A. in Ancient Languages from the University of Pretoria (2004), and then his B.A. Honours as well (2005). He pursued his theological studies at the Lutherische Theologische Hochschule in Oberursel, Germany, and at Westfield House, Cambridge, UK, where he graduated in 2009.

He has served as pastor of the English Lutheran Fellowship in Randburg since 2011, and also at St. John’s Lutheran Congregation in Kempton Park since 2013.

He is married to Walda. They have two children.

Email him at pastortobyahlers(at)gmail.com.

Rev. Musawenkosi Nathan Mntambo

Rev. Mntambo served on the faculty of the LTS from 2001 to 2015, and recently resumed lecturing at the LTS (2018-) on a part-time basis.

He graduated from Enhlanhleni Theological Seminary with a certificate in theology in 2000, following which he went on to graduate with a S.T.M. (Master of Sacred Theology) from Concordia Theological Seminary, Fort Wayne, IN, USA.

He has served as pastor of the Evangelical Lutheran Congregation, Arcadia, Pretoria (associated with FELSISA) since 2012. In 2016, he was enrolled in the Ph.D. program at Concordia Seminary, St. Louis, MO, USA.

He and his wife, Nokulunga, have two children.

Email him at mntambomn(at)gmail.com.


Ds. Anthony Pearson

Anthony Pearson received his B.Th. (2013), his B.A. in Ancient Cultures and Biblical Languages (2014), and his M.Div. (2015) from the University of Pretoria. He teaches Hebrew at LTS.


Ds. Robert van Niekerk

Robert van Niekerk received his B.Th. (2013), his B.A. in Ancient Cultures and Biblical Languages (2014), and his M.Div. (2014) from the University of Pretoria. He has also received diplomas for church ministry and contextual ministry (2014). He teaches Greek at LTS.

Visiting Instructors 2020

Rev. Dr. (habil) Werner Klän

Professor and dean emeritus of the Lutherische Theologische Hochschule in Oberursel, Germany; Extraordinary Visiting Professor at the University of Pretoria


Rev. Dr. John T. Pless

Professor at Concordia Theological Seminary, Fort Wayne, IN, USA; for a more complete biography, click here.


Rev. Dr. Sibongiseni Elliot Sithole

Translator of the isiZulu Bible with the Bible Society of South Africa; LCSA pastor; Assistant Lecturer at the LTS


Dr. Paul Mueller

Director of Lutheran Leadership at Concordia University, Portland, Oregon; for a more complete biography, click here.


Rev. Dr. Thomas Aadland

Rev. Dr. Thomas Aadland serves the Lord as a missionary through The Lutheran Church—Missouri Synod (LCMS) in Kenya. Thomas partners with the Evangelical Lutheran Church in Kenya (ELCK) and teaches at Matongo Lutheran Theological College, Kenya.

Rev. Stephen Preus

Pastor Preus has served at Trinity Lutheran Church Vinton, Iowa, since 2012. He attended Bethany Lutheran College and Minnesota State University, Mankato (B.A. ’07) and Concordia Theological Seminary, Fort Wayne, IN (M. Div. ’11; STM ’18).


Mrs. Rosemarie Rynners

Office administrator

Rosemarie is married to Neil Rynners. After living in Johannesburg for some time, they have now returned to Pretoria. They have two adult sons, one of whom, Kai, lives in Pretoria, while the other, Claus, resides in Utrecht in the Netherlands.

Email her at LTSinTshwane(at)gmail.com.


Mr. Aaron Mthimunye

Groundsman, facilities


Mrs. Emily Ngubeni

Kitchen supervisor, caretaker

Mr. Mthimunye and Mrs. Ngubeni are married. They have one adult child and one grandchild.

Mrs. Martha Mahlangu

Cook, cleaning person