She grew up in a social democratic milieu where, together her three siblings, she attended high school, matriculating from Struer Gymnasium in 1967.
[3] From 1973, Møller Jensen began to teach at the university and became more politically active, joining various radical left-wing organizations.
[3] From 1981, she became centrally involved in a research project which culminated in her role as editor of Nordisk kvindelitteraturhistorie (Nordic Women's Literary History) published in five extensive volumes from 1993 to 1998.
Møller Jensen became the director of Kvinfo in 1990, increasing its staffing threefold, redesigning its magazine Forum and creating Europe's first online database devoted to women.
[4] Møller Jensen has received several awards including the Lis Jacobsen prize in 1994 for her work as editor of Nordisk Kvindelitteraturhistorie and the Tagea Brandt Rejselegat travel scholarship in 2004.