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Mariëtte Pretorius

Science Communication Officer, GENUS, University of the Witwatersrand

Dr Mariette van der Walt (nee Pretorius) is a science nerd with a PhD in Zoology, and a passion for cave-dwelling bats and writing. As a published scientist and National Geographic — NEWF Africa Refocused fellow, she has transitioned from academic research to science storytelling and currently works as a Science Communicator for GENUS, the Centre of Excellence In Palaeosciences based at the University of the Witwatersrand.


  • 2023–present
    Science Communicator, University of the Witwatersrand
  • 2020–2022
    Postdoctoral fellow, University of Pretoria


  • 2020 
    University of Pretoria, PhD Wildlife Management
  • 2017 
    University of the Witwatersrand, MSc Zoology and Ecology
  • 2016 
    University of the Witwatersrand, BSc with Honours
  • 2015 
    University of the Witwatersrand, BSc