Mark Mersiowsky attended primary school in Kabul from 1969 to 1973 and Ravensberger Gymnasium Herford [Wikidata] from 1973 to 1982.
In 1992, he received his doctorate from Peter Johanek in Münster with a thesis on territorial accounting in the German Northwest.
Since 1989 he has held lectureships in Medieval History and Historical Auxiliary Sciences at the Westfälische Wilhelms-Universität Münster, the University of Paderborn and the University of Tübingen and habilitated in 2002 at the Westfälische Wilhelms-Universität Münster, where he worked as a private lecturer in 2003/2004.
Also in 2003 he was a visiting professor at the École nationale des chartes in Paris and in 2006/07 he held deputy professorships at the Universität Stuttgart and the Karl-Franzens-Universität Graz.
[2] After a call to the University of Stuttgart for the W3 professorship for Medieval History as successor Folker Reichert he held a vacancy in the summer semester 2014, from November 1, 2014 he is professor there.