2009-Current Professor of Geriatrics, Faculty of Medicine, University of Iceland
1994-2009 Associate Professor of Geriatrics, Faculty of Medicine, University of Iceland.
2000-Current Chief of Geriatrics Landspítali University Hospital.
1996- 2000 Chief of Geriatric Medicine, Reykjavik Hospital
1994-1996 Chief of Geriatric Medicine, Reykjavik City Hospital.
1994-1996 Administrative Chief of Medicine, Neurology and Rehabilitation, Reykjavik City Hospital.
1990-1994 Attending physician, Department of Medicine, Reykjavik City Hospital
1988-1989 Research Fellow in Geriatric Medicine and Instructor of Medicine at Harvard University.
- Fellowship in Geriatric Medicine at Harvard University, Boston, MA.
- Resident (83-85) - and Chief Resident (85-86) in Internal Medicine, New Britain General Hospital, CT.
- 1979-1983 Internship and Residency in Internal Medicine in Iceland (Reykjavik Hospitals).
Other Experiences and Professional Memberships
1986 American Board of Internal Medicine.
1987-1989 Charles A Dana Foundation Fellow
1989-Current Nursing Home Pre-admission Committee, the Ministry of Health, Iceland.
1990 American Board of Internal Medicine, added qualifications in Geriatric Medicine.
1993- Ice-RAI Committee, The Ministry of Health, Iceland, MDS NH longitudinal data base
1996-Current Fellow Inter-RAI: an organization on the development and use of the Resident Assessment Instruments; 25 nations, 45 person research and developmental group.
1999-Current On the Board of InterRAI as a secretary from 1999, see www.InterRAI.org
1997 Fellow American Colleague of Physicians.
1997-1999 Chairman Professional Committee of the Icelandic Medical Association.
2002-Current Chairman Scientific Committee of the Icelandic Heart Association.
1994-1998 Chairman, the Committee for Specialty Licensing in Medicine in Iceland.
1999- Current Chairman of the University of Iceland Gerontological Research Institute
2001- Current Executive Committee of the AGES study, Icelandic Heart Association and NIA – Co-PI.
Member, American Geriatrics Society (AGS), and Geriatrics Society of America (GSA).
Multiple Icelandic committees for the Ministry of Health (prioritization and health policy), the Icelandic Medical Association (clinical guideline development), University Hospital (end of life decision making).
- Scholarship from the Memorial Fund of Helga Jonsdottir and Sigurlidi Kristjansson.
- Grant from NATO Science Programme.
1995 Fellow, American Colleague of Physicians
2011 Fellow, Royal Collage of Physicians, London
Prof Jónsson has extensive list of leading publications in Internal Medicine, Geriatric Medicine,
Gerontologiical Research, and related national policies development.