Gerhard Andersson (born 10 June 1966) is a Swedish psychologist, psychotherapist and Professor of clinical psychology at Linköping University.

Andersson was appointed a professor at the age of 37, and has been highly productive, having produced more than 880 scientific papers.

Gerhard Andersson can further be named as the founder of the Swedish approach to internet-delivered cognitive-behaviour therapy (CBT).

In one of the publications from the group, Andersson et al. (2008, p. 164) refer to the Internet-based approach as:"a therapy that is based on self-help books, guided by an identified therapist which gives feedback and answers to questions, with a scheduling that mirrors face-to-face treatment, and which also can include interactive online features such as queries to obtain passwords in order to get access to treatment modules.

Several studies conducted by Andersson and his colleagues show a high efficacy of the Internet-based treatment approach for very different disorders, e.g. depression,[5] social anxiety, and tinnitus.

[6] Due to Andersson's studies on Internet-based approaches to deliver psychotherapy, Sweden is world leading in online-based treatments.

[14] In the following years, Andersson was interested in basic research as well as in the development and improvement of psychological treatment approaches.

Moreover, Andersson and his colleagues developed several treatment concepts to reduce tinnitus distress based on cognitive behavioural therapy.

His research in this area covers a broad range of conditions, including chronic pain, cancer, irritable bowel syndrome, dizziness, hearing loss, tinnitus, burn damages, and health anxiety.

Andersson's work focuses primarily on the development and evaluation of behavioral and cognitive therapies for medical conditions, but his research in health psychology also concerns the study of how cognitive, behavioral and genetic factors are involved in health and prevention of illness.

Professor Andersson received his education at Uppsala University, Department of Psychology, and graduated in 1991 (M.Sc.

Between 2007 and onwards Andersson has had a position as affiliated researcher at the Karolinska Institutet, Stockholm, in the department of Clinical Neuroscience, Psychiatry.