Mr. Stamatakis has sat on the Board of Directors of the Canadian Police Association (CPA) since 2003, and served as President since May 2011. Former President of the Vancouver Police Union (VPU) from 1998-2019, as well as the immediate past President of the British Columbia Police Association (BCPA) from 2008-2019. In 2018, he was acclaimed for a second term as President of the International Council of Police Representative Associations (ICPRA).