National champion in 1926, 1927. Amateur record 
European amateur champion at heavyweight both in Berlin, Germany 1927 outpointing Hans Schonrath of Germany in the final.
Won the Heavyweight silver medal for Sweden at the 1928 Olympics in Amsterdam. Lost due to a cut eye to Arturo Rodriguez Jurado of Argentina.
While fighting in the United States, his name was generally reported by the American press as being Nisse Ramm.
Olympic games results
1928 (as a heavyweight)