Lars-Gunnar Lundh did his PhD at Uppsala University in 1984, where he also was trained as psychologist and psychotherapist.

After working as a psychologist at the Department of Psychiatry at the University Hospital in Uppsala, he worked as a lecturer and researcher at the Department of Psychology, Stockholm University until 2002, when he was appointed professor of psychology at the Mid Sweden University in Östersund.

From 2003 he is professor of clinical psychology at Lund University. He is a member and fellow of the Association for Psychological Science (APS).

He has done research in a number of different areas, including insomnia, anxiety disorders, non-suicidal self-injury, information-processing biases, perfectionism, alexithymia, and mindfulness. Among his main interests are psychotherapy and philosophical/theoretical issues in psychology.