Department of Psychiatry


Clinical Psychologists – Tygerberg Hospital

Prof Christine Lochner

Tel: 27 21 938 9179; 
Fax: 27 21 933 5790


Prof Lochner is Co-director of the Medical Research Council (MRC) Unit on Anxiety and Stress Disorders at the Department of Psychiatry at the University of Stellenbosch.  She is a full time researcher, with clinical, genetics and brain imaging research on obsessive-compulsive disorder and related conditions such as hair-pulling disorder and skin-picking disorder as a priority.  Other areas of interest include the anxiety disorders such as social anxiety disorder and panic disorder. She continues with a part-time private practice to keep in touch with clinical work, particularly in the field of cognitive behavioural therapy for patients with anxiety disorders.

Dr C van der Merwe 
BSc, BSc (Hons), MSc, PhD (Child Psychology)

Tel: +27 21 938 4573
Fax: +27 21 938 9611



Dr Riaan Olivier
MA (Clin Psychology), PhD (Psychiatry)

Tel: +27 21 938 6289
Fax: +27 21 938 9738


Dr Olivier is a senior lecturer and senior clinical psychologist based at Tygerberg Hospital. His research interests include cognition, schizophrenia, memory disorders and cognitive-behavioural therapy.


Colin Mitchell 
MA (Clinical Psychology)

Tel: +27 21 938 5694
Fax: +27 21 938 9738



Colin Mitchell is appointed as a senior clinical psychologist/lecturer. He has many years' experience as a psychotherapist and several years' experience in consultation-liaison psychiatry as a clinical psychologist. Broadly, his areas of interest include psychodynamic psychotherapy and supervision, psychological problems related to the medical setting, eating disorders and the field of neuropsychoanalysis which explores links between the brain, neurobiology and psychoanalytic concepts.​