Diederik Karis is currently working as a Arts assistant spoedeisende hulp at Ziekenhuis Rivierenland and Gelre ziekenhuizen. Previously, Diederik worked at Bergman Clinics B.V. as a arts-assistent Orthopedie. Diederik also owns Studentenfoto. Diederik completed their Master of Science in Algemene geneeskunde at Leiden University after obtaining their Bachelor of Science in the same field.
April, 2023 - present