As a professor she is responsible for the MA-programme for curatorial studies, Praxis, at the University of the Arts Helsinki in Finland. Rastenberger is on the leave of absence from her position as the Chief Curator at The Finnish Museum of Photography, where she worked 2009–2016. Moreover, she is artistic director and co-founder of The Festival of Political Photography, Helsinki.
Rastenberger has extensive experience in exhibition projects, curating practices and the international exhibition scene of the contemporary arts. She has published widely about contemporary photography. In 2018 she co-edited a book titled Why Exhibit? Positions On Exhibiting Photographies at FW:books. Her special interests are exhibition as critical practice, feminist curation and running.