Tonje is affiliated with Kluge`s Public Sector Department. She assists both private and public clients with advice in dispute resolution in public procurement, EU/EEA law and labour law.
Tonje has a master`s degree from the University of Oslo. She was a research assistant at the Department of Private Law, where she wrote a master`s thesis on environmental requirements in public procurement. The thesis examined the legal scope of the environmental requirement in article 5 of the Norwegian Public Procurement Act.