1972 M.D. and 1974 Ph.D.

1977
Specialist certificate in general surgery and in urology 1980. 
Presently professor emeritus at Karolinska Institutet, Stockholm. (Department of Clinical Science, Intervention and Technology)

1986-1991
Chief surgeon, Stone unit, Department of Urology, University Hospital, Linköping

1992-1998 
Professor of urology in Linköping

1999-2010 
Professor of urology in Stockholm

1984
The Fernström award to young scientists
Curt Engelhorn Award, European 

1998
Foundation for the Advancement of Medicine

2011
Chief consultant Stone Clinic Nanjing University

2012
Award from the Group of Urinary Calculi; Chinese Urological Association

1982-1987
Secretary/chairman of Scandinavian Association of Urology subgroup for renal stones

1989-1992 
Managing Editor of Scandinavian Journal of Urology and Nephrology 

1997-2009
Chairman of the EAU Health Care Office Workning Party on Urolithiasis

Chairman of the EAU-group of the guideline project between EAU and AUA.

1996 
Member of the steering committee of the International Society of Urolithiasis Associate Editor of Urological Research 

Member of the Swedish Association of Urology (honorary), Scandinavian Association of Urology, European Association of Urology (honorary), American Urological Association, Societé International Urologie, Endourological Society

Member of the Advisory Board of Scandinavian Journal of Urology and Nephrology, Turkish Journal of Urology and Urologia Internationalis

1993-1997
Member of the Advisory Board of European Symposium on Urolithiasis 

1997-2009
Chairman/Vice chairman

Chairman of the 6th European 

1995
Symposium on Urolithiasis, Stockholm

2003 
Chairman, Biochemistry group, 

2009
First Consultation on Stone Disease, and of Ureteral stone group Second Consultation on Stone Disease