Member:
NA- Demolition - bass  
NA- Terror - bass  
1990 Infestation [SWE] - drums  
1990-1996 At The Gates - bass  
1996- The Haunted - bass  
2007-2008 At The Gates - bass  
2010- At The Gates - bass  


Personal information

Born on: 26.02.1973

Jonas Björler (born 26 February 1973) was the Bassist and one of the founding members of the melodic death metal band At the Gates, along with his brother Anders Björler, Tomas Lindberg, Alf Svensson, and Adrian Erlandsson.

In 1996 at the end of the European tours of their final album Slaughter of the Soul, At the Gates split up and Jonas became one of the founding members of the band The Haunted along with his brother Anders and drummer Erlandsson. He is currently the bassist of The Haunted and has been the only continuous member of this band. He is the twin brother of metal guitarist Anders Björler.