Jantje studied Cultural Sciences at the University of Lüneburg, Media and Communication at the University of Glamorgan, Wales, and Higher Education and Research Management at Speyer University.
Before joining THE NEW INSTITUTE, Jantje was managing director at the Institute for Advanced Studies at Leuphana University Lüneburg. She is a research manager with expertise in research funding and fellow work. She has joined THE NEW INSTITUTE because she is intrigued by its promise of initiating societal change and she wanted to be a part of that mission.