Ian Castillo is the Co-CEO of Fusion Fuel Cycles Inc., a joint venture of Canadian Nuclear Laboratories and Kyoto Fusioneering. A leading tritium expert, he oversees teams across three continents and is directing the design and construction of UNITY-2 in Chalk River, the world’s first fully integrated fusion fuel cycle. Previously, Ian led CNL’s Hydrogen and Tritium Directorate, advancing global partnerships and major R&D programs. With nearly 20 years at CNL, he has managed large multidisciplinary teams and helped shape Canada’s fusion strategy as architect of Fusion Energy for Canada. Ian holds a Ph.D. in Chemical Engineering from McGill University.