Josephine studied Dutch Language and Literature at Leiden University, has a Master’s degree in mediaeval studies and an upper secondary teaching qualification. She worked as a teacher in the Dutch secondary curriculum until 1997, when she switched over to the IB-educational system. She founded IBID in 2000. Josephine is IBDP workshop leader for ‘IB Language A: Literature’ and a counsellor for IB Dutch teachers abroad. In spring 2017 she had a temporarily contract for some months as IB Dutch teacher at UWCSEA Singapore, her former employer. Subsequently she took up a part time position as IB Dutch A teacher and SSST-Supervisor at AICS (Amsterdam International Community School) as per September 2017.