Career
He focused on matters of social affairs, employment and infrastructure. Before entering politics, De Jong worked in retail and finance and was part of the popular rock singing duo In Front, before entering into politics in 2010. De Jong currently leads the Party for Freedom in the city council of The Hague, where he serves as council member.
De Jong has a relationship with Partij voor Vrijheid en Vooruitgang (Party for Reform and Freedom) parliament member Fleur Agema with whom he has a daughter.