Kenth is a senior research officer in the Collections management of the National Archives of Finland. The unit administers some 8-9 km of private archives (individuals, families, estates, organisations etc.). Kenth is responsible for the acquisition process, including guidance and instruction, and also for issues dealing with photo collections in the National Archives. He is also currently the co-ordinator of international affairs in the National Archives of Finland. Kenth is furthermore, besides his work at the National Archives, the head of the Society of Finnish Archivists since 2008.