Since 2016, Prince Pieter-Christiaan has been involved with Milan Ops, a start-up focusing on the Internet of Things. He also occupies various position with AGT Netherlands, Milan InnoVincY, Syntus B.V., and EMG.
From 1999 to 2002, he worked for ABN AMRO Rothschild in London, and in 2004 for the ICT company Shopservices in Amsterdam. From 2004 to 2009 he worked for the Directorate of Operations of the Royal Military and Border Police. He left the service in the rank of Lieutenant Colonel. The Prince is still a Royal Military and Border Police reservist. He holds a law degree from Utrecht University, and an MBA from the International Institute for Management Development (IMD) in Lausanne, Switzerland.
The Prince is vice chair of the Dutch Red Cross and Chair of the Dutch chapter of the charity Laureus Sport for Good.