Education and Career
Arnold studied history and journalism at the University of Groningen and worked as an editor at De Volkskrant from 2000 to 2010. Subsequently, as a freelance advisor, he focused on training his clients in advanced Dutch writing skills, helping them to create compelling journalism pieces. He is the author of a manual for op-ed writers, Effectief Opiniestukken Schrijven.
From 2003 to 2005, Arnold was a part-time history teacher. He earned a Master of Education from the ICLON Institute, Leiden University, and in 2015 a Master of Science in Corporate Communications from the Rotterdam School of Management. The topic of his dissertation was ways in which think tanks can win legitimacy.