Canada’s G7 presidency in 2025 produced initiatives on critical minerals and artificial intelligence. And two of the countries best positioned to contribute to the G7’s expanded agenda, South Korea and Australia, remain outside the group’s permanent membership. South Korea is the world’s 13th-largest economy and a pivotal producer in semiconductors, batteries, shipbuilding, nuclear energy, digital infrastructure, and defense manufacturing. When the G7 discusses chip supply, maritime industrial capacity, advanced manufacturing, or North Korea, South Korea’s participation is indispensable. This creates an unusual opportunity in 2027, when the United States assumes the G7 presidency.