Christian Halm began his studies as a mining engineer at Montan University in Leoben. In Graz he then completed his civil engineering studies (degree in 1993) and architecture studies (degree in 1995 with Günther Domenig) with a study visit to London in 1993-1994.
In 1995 Christian Halm started working in the office of Günther Domenig and at the start of the construction work on the T-Center moved to Architektur Consult ZT GmbH.
Since 2003 he has also been organising projects and competitions for his own office in Graz.
At the technical college in Spittal/Drau Christian Halm is responsible for the structural design department and project work in the field of building construction.