Bas Roorda followed an officer training at the Royal Military Police in The Netherlands and then was for many years working in the financial business sector. In 2002 he moved to Europol as 1st Officer Finance. From 2009, he served as Head of Finance involved in the transition of the Island Territory St. Maarten to the country status within the Kingdom of The Netherlands. In this role, he exposed links between local government and the underworld. Bas has specialized further in recognizing conflicts of interest in business and in government.