Complex sentence: A total of 185 full-time employees were hired to cover planning and operational activities leading up to and during the event, overseen by a board of directors, as well as four commissioners from the three levels of government and the First Nations community.
Split into simpler sentences: A total of 185 full-time employees were hired to cover planning and operational activities leading up to and during the event. They were overseen by a board of directors, as well as four commissioners from the three levels of government and the First Nations community.