Dr. S.J.M. Sierksma-Agteres

Assistant Professor of New Testament
New Testament / historical theology

Previous Research and Teaching Positions

  • 2017 - 2023   Lecturer Greek Language at Protestant Theological University, Amsterdam
  • 2012 - 2017   PhD Candidate (aio) at University of Groningen
    Research project funded by The Netherlands Organisation for Scientific Research, on the use and meaning of the Pauline concept pistis (‘faith’, ‘trust’, ‘trustworthiness’, ‘persuasion’, ‘loyalty’) and cognates, in light of ancient philosophical sources. The project was part of an overarching project together with the philosophy department of Radboud University Nijmegen: ‘Overcoming the Faith-Reason Opposition: Pauline pistis in Contemporary Philosophy’. Promotores: Prof. Dr. G.H. (George) van Kooten and Prof. Dr. G.J. (Gert-Jan) van der Heiden.
  • 2009 - 2012   Teacher Classics at Visser ‘t Hooft Lyceum Leiden and at Kalsbeek College Woerden


  • 2012 - 2023   PhD Theology (New Testament and Ancient Philosophy) at University of Groningen
  • 2008 - 2012   Master Classics and Ancient Civilizations at Leiden University (cum laude)
  • 2010 - 2012   Bachelor Theology at VU University Amsterdam (cum laude)                               
  • 2003 - 2008   Bachelor Greek and Latin Languages and Cultures at Leiden University                                
  • 1997 - 2003   VWO (gymnasium) at Carmel College Salland and Baudartius College Zutphen (cum laude)

Additional Activities

  • 2022 - present: Curator (board member) and vice-chair of the Mr. G. Groen van Prinsterer Foundation, the academic think tank of the political party ChristenUnie
  • 2021 - present: Editor of Soφie, bimonthly journal on Christian Philosophy
  • 2017 - present: Member of the board of Pro Religione et Libertate, a foundation that supports initiatives which preserve and actualise Christian thought and cultural heritage
  • 2011 - present: Preaching in church services of the Nederlands Gereformeerde Kerk  
  • 2015 - 2018: Member of the advisory board of the biweekly church magazine Onderweg (NGK/GKV)
  • 2011 - 2016: Editor and Editor-in-chief of Radix, a multidisciplinary quarterly journal on questions concerning faith, science and society.
  • 2010 - 2017: Kernbewoner (‘Core resident’) at Timon Woongroep Leidsche Rijn, Utrecht, a residential community in Utrecht, inspired by Christian ideals, providing a home for six young adults with social-emotional difficulties