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Present positions
- Professor, Dept of Medical Epidemiology and Biostatistics, ̽����ѡ
- Senior Physician (överläkare), Dept Pediatrics, Örebro University Hospital
- Adjunct professor, Columbia University, New York, USA
- Scientific advisor in pediatrics, Swedish National Board of Health and Welfare
- Scientific secretary of the Swedish Society of Medicine

Previous positions
- Chairman of the Swedish Paediatric Society, 2014-16
- Chairman of the Swedish Society of Epidemiology, 2011-14

Further information
- Member of the Editorial Board of the European J Epidemiology
- Member of the International editorial board of Clinical Epidemiology

Education
- 1995. MD. Linköping University, Sweden
- 2001. PhD. Medicine. Linköping-Örebro
- 2005. Docent (associate professor), Örebro University Hospital
- 2012. Fulbright Research Scholar, Mayo Clinic, US

Academic honours, awards and prizes

• H.M. The King's Medal of the 8th size in the Order of the Seraphim ribbon for outstanding research contributions in paediatrics and 
• inflammatory 
•  
• bowel diseases.
• The Jubilee Prize, awarded by the Swedish Society of Medicine, 2022
• Alvarenga Prize for best ̽����ѡ publication by Swedish author, awarded by the Swedish Society of Medicine, 2019.
• Adjunct professor, Columbia University, 2016-
• Honorary professor at the School of Medicine at the Nottingham University, UK, 2015-2021
• Alumnus of the year, 2013, Linköping University
• "Rising star in gastroenterology", Europe, 2010. Awarded by ASNEMGE - The European Gastroenterology Association.

"Highly Cited Researchers" by Clarivate.

Ongoing research: Celiac disease, Inflammatory bowel disease (IBD), but also other gastroenterology. I am the coordinator of one of the world's largest gastrointestinal cohort studies: ESPRESSO (Epidemiology Strengthened by histoPathology Reports in Sweden), where we study various liver diseases, IBS, microscopic colitis, colorectal cancer, and celiac disease etc. I also do pediatric research, and have written numerous papers on Swedish National Health Registers.

Main supervisor of 14 PhD students who have defended their theses. Among them are two now docents (Mårild and Emilsson) and one professor (Olén).

I have also written several books and book chapters, e.g. "Att börja forska - inom medicin, bio- och vårdvetenskap" (Studentlitteratur 2002 and second edition in 2015), "Doktorns guide till gluten" (Volante 2016) and "Barnläkarens guide" (2020).