Kristen Stewart | Kristen Bell | Universitas 21 | Kristen Wiig | Kristen Johnston | Kristen Hall | Satya | Kristen Ruhlin | Kristen Nygaard | Kristen Hager | Kristen Gran Gleditsch | Satya Yuga | Satya Wacana Christian University | Satya (Sikhism) | Satya Bhabha | Kristen Vigard | Kristen Silverberg | Kristen R. Ghodsee | Kristen Pfaff | Kristen Monroe | Kristen McNulty | Kristen Lawrence | Kristen Johnson | Kristen Cloke | Krida Wacana Christian University |
Rietveld had started his academic career at the International Institute for Applied Systems Analysis, Austria, and was research co-ordinator at Universitas Kristen Satya Wacana in Salatiga, Indonesia.