Diederik was born in Belgium and worked as a journalist and editor for a magazine before embarking on a teaching career in China. He taught various ages and levels before moving into academic management and teacher training at EF Wuhan, and later at EFBC in Shanghai.
In 2008, he worked on a project for EF’s Englishtown in Los Angeles where he combined his passion for film and story-telling with education when working on language learning videos. He has been a trainer and Course Director on the Trinity CertTESOL in Hong Kong, Malaga and Rome. In 2014, he joined the Trinity CertTESOL panel as a moderator and materials writer.
In between his time in Spain and Italy he had a very rewarding experience as Academic Director of a language school in Uzbekistan. In his free time, he is keen on hiking, swimming, reading, film and traveling off the beaten path.
Diederik rejoined EF in June 2017 to work on the Trinity CertTESOL and DipTESOL.