Previously Letschert was professor of victimology and international law at Tilburg University between March 2011 and September 2016.
[7][8] In 2011 Letschert was appointed as professor to the new chair of victimology and international law at Tilburg University.
[10] Apart from her position as professor she served as director of the International Victimology Institute Tilburg (INTERVICT).
[8] Due to her appointment as rector magnificus of Maastricht University she was succeeded as chairperson by Rens Vliegenthart in June 2016.
[14] Letschert was a Schermer Fellow at the Netherlands Institute for Advanced Study in the period between February and June 2016.