Karolinska Institutet (M.D. 1976)
Karolinska Institutet (Ph.D 1987)
Karolinska Hospital (Cardiothoracic Residency -84)
Karolinska Hospital (Consultant in Cardiothor Surgery -88)
Karolinska Institutet (Ass. prof in Cardiothoracic Surgery 1990)
Huddinge University Hospital (Head of Department) 1992-2003)
Karolinska University Hospital (Head of Department) 2004-2005
Karolinska University Hospital (Consultant) 2005-June 2011
Salam Centre for Cardiac Surgery, Khartoum, Sudan
(Emergency, NGO, Milan, Italy. Senior Consultant Surgeon)
Danderyds University Hospital, Chief Medical Officer 2012-
Rheumatic heart disease
Stentless valves
Left ventricular reconstructive surgery
Arrhythmia surgery