Lundberg is a clinical psychologist and earned her PhD from the University of Oslo, Norway. Lundberg's research focuses on gender, sexuality and identity with a special emphasis on lgbtqi+ and norm critical approaches. Main teaching includes qualitative methodologies.

Lundberg is one of the PI:s of a national research project focusing on lgbtq-people's experiences minority stress. Lundberg is also part of the international SENS project. This project focuses on the lived experiences of people wth sex characteristics typically labeled as intersexvariations or DSD.

Lundberg has previously done research on professional approaches to long-term pain.