Diederik Janssen, based in Amsterdam, NH, NL, is currently a Leraar basisonderwijs at ASKO scholen, bringing experience from previous roles at Loods 5, Zelfstandig / Eigenaar and Veiligheidsregio Zaanstreek-Waterland. Diederik Janssen holds a 1992 - 1997 Hogeschool Haarlem. Diederik Janssen has 2 emails on RocketReach.