Christoffer Callerius has extensive experience in the plumbing and HVAC industry, currently serving as TF Filialchef and Projektledare at Assemblin since October 2017. Previous roles at Assemblin VS AB included Ledande montör/VVS montör from August 2017 to March 2021. Christoffer also held the position of Ledande montör/VVS montör at Bravida Sverige AB from September 2014 to September 2017 and at NVS from August 2009 to August 2014. Educational background includes attendance at REFIS, Rörentreprenörenas Friskola I Stockholm, from August 2006 to July 2009.