Landon began his career as an ER nurse and has volunteered with the St. John Ambulance brigade. He helped the Coastal Health Service attain its Trauma Association of Canada Accreditation in 2003. He has been a leader in providing education to ER nurses throughout British Columbia and the Northwest Territories in previously underserved communities. In 2004, he began volunteering with the National Emergency Nurses Affiliation (NENA) of Canada on the education subcommittee, which provides educational offerings to emergency nurses. He served as president of NENA from 2009-2011.