Dagmar Rosenfeld was born in Cologne in 1974. After studying history, German language and literature, she completed a traineeship at Tagesspiegel. There she subsequently worked as an editor for business and politics.
In 2009, Dagmar Rosenfeld joined weekly German newspaper DIE ZEIT. From 2016 she was deputy editor-in-chief at DIE WELT and has been editor-in-chief at DIE WELT from 2019 to December 2021. Since January 2022 she servers at editor-in-chief of WELT am SONNTAG.
Dagmar Rosenfeld has received several awards for her journalistic work, including the Ernst Schneider Prize.