Commander Timothy Markusson

CMDR Timothy Markusson

Commander Timothy Markusson joined the Royal Canadian Navy in 1990. He received a BA in Political Science and Geography from the Royal Military College of Canada, and mariner training at sea in HMCS Saskatchewan, Gatineau, Cowichan and Provider. Commander Markusson volunteered for submarine service in 1998 and qualified the following year in HMCS Onondaga.

Specialising in Navigation, he served with the Commissioning Crew of HMCS Windsor and aboard several Halifax Class Frigates. He completed the Submarine Warfare Officer Course with the Royal Australian Navy and continued at sea as the Combat Officer and later Executive Officer of HMCS Corner Brook which included participation in Operation NANOOK in Canada’s North and Operation CARIBBE, the multinational campaign against illicit trafficking by transnational organised crime in the Caribbean basin and the Eastern Pacific. Commander Markusson graduated from the Norwegian Submarine Command Course in 2012 and was appointed Commanding Officer of HMCS Chicoutimi. Following an extensive refit, he had the honour of Commissioning the boat into service with the Royal Canadian Navy and leading the crew through Unit Readiness.

Postings ashore through his career in the Royal Canadian Navy included Submarine Operations and the Canadian Maritime Warfare Centre. Commander Markusson retired from the Royal Canadian Navy following his final role as Commanding Officer Sea Training (Submarines).

He joined the Royal Australian Navy in 2017, and together with his wife immigrated to Australia. Commander Markusson served as Executive Officer of HMAS Dechaineux from June 2018-April 2020 including two Operational Submarine Deployments. He assumed Command of HMAS Sheean in May 2020.