Harris Silver served as an Infantry Officer with the Canadian Forces, with several operational tours in the Balkans and the Middle East, as well as providing support to domestic operations supporting the civil authorities.

He conducted the disarmament of former Mujahedeen fighters for the United Nations in Afghanistan, supported the security and electoral operations of the 2005 and 2009 Afghanistan elections, and was a counter-narcotics adviser for the Poppy Elimination Programme in Kandahar.

Harris established the High-Risk program at the Canadian Broadcasting Corporation, providing risk assessment, training, contingency planning and crisis management for media operations, including the Sochi and Rio Olympics, as well as news assignments to covering the Arab Spring, conflicts in Syria, Libya, and the Ebola outbreak in Liberia and Sierra Leone. Most recently, he stood up the security program at Canada Goose to enable growth and expansion of the brand globally.

He is a board-certified security professional holding the Certified Protection Professional Designation (CPP) from ASIS, and the Canadian Risk Management (CRM) Designation.