Career
Treumer was a right-handed batsman who played as a wicket-keeper. After over a decade of representing Northern Territories in Australia, Treumer played a single List A match as an overseas player for Denmark in the 1st round of the 2005 Cheltenham & Gloucester Trophy against Northamptonshire. In his only List A appearance, he scored 7 runs before being dismissed by Charl Pietersen.
Behind the stumps he took 2 catches.