Date of Birth: 
About Stephan Rössner
- Stephan Rössner (born 3 April 1942) is a Swedish physician and world-renowned expert on dieting.
- He is Professor in Health Related Behavioral Science at Karolinska Institutet in Stockholm, working at the Department of Medicine at the Huddinge campus of the Karolinska University Hospital.
- He has written several books on the issue and is the leading member of Viktklubben (the Weight Club) at the tabloid Aftonbladet.
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