Kaufmann was born on 9 October 1978 in Balzers as the son of floor layer Hans Kaufmann and Hildegard Fehr as one of six children.

From 2001 to 2008 he worked as an auditor at KPMG in Schaan, and then at Bank Frick & Co. AG from 2008 to 2016.

From 2016 to 2018 he was an accountant at VP Bank, and since 2021 he has been an auditor at BDO (Liechtenstein) AG at Vaduz.

[2] During his time in the Landtag, he has called for stronger penalties against the sexual abuse of minors.

[3] Kaufmann married Dahiana Garcia Vasquez (born 13 July 1983) on 30 May 2008 and they have one child together.