Served as ice-navigator for a 90m super-yacht through the Northwest Passage from Cambridge Bay NVT to Dutch Harbour AK in September 2015. Joined RRS Ernest Shackleton as assistant ice navigator for icebreaker-escort and expedition logistic support of MV Crystal Serenity eastwards through the NWP in Aug-Sep 2016, the first transit of such a large vessel. Served as assistant ice navigator in the transit of MSV Nordica from Vancouver to Nuuk in July 2017, the earliest seasonal transit of any ship through the NWP. Ice navigator for the NWP transit of RV Xue Long from Nuuk to Nome, as she completed a circumpolar voyage in September 2017. Ice navigator for MV Golden Strength for two round-trips Europe-Baffin Island with iron ore from Milne Inlet July-October 2018.