Cassie Doyle thinks that, in terms of a pipeline, the overall energy relationship between the U.S. and Canada is financially beneficial for both sides. As Consul General of Canada, Doyle has achieved notable success in the development of clean energy innovation programs, augmenting the government's regulatory system and transforming the forest industry. Over the past 15 years, she has led departments that have focused on advancing Canada's energy, natural resource and environmental agendas.

Doyle served as Canada's Deputy Minister of Natural Resources from 2006 to 2010 after three years as the Associate Deputy Minister of Environment in Canada. She was also a member of the Board of Directors for the Atomic Energy Corporation of Canada.