- Bachelor of BBE (Hons) (Interior Design)
- Member Design Institute of Australia
- Registered Building Practitioner
Sonja is Principal of Interiors in GroupGSA Melbourne Studio. Her 20 years of experience has focussed on Interior Design, Concept Design, Project Coordination, Project Initiation and Focus Group facilitation. Sonja was the founding director of Artillery Melbourne which formed in 2006. This practice merged with Group GSA in 2017.