Greg Gillespie Vice President of Operations | PrimeFab & Triumph Glazing Greg Gillespie is a transformational executive with over 14 years of progressive leadership in the glazing and building envelope industry. Currently serving as Vice President of Operations at PrimeFab and Triumph Glazing in the Greater Toronto Area, Greg oversees all operational, financial, and organizational functions across both companies while architecting the systems, people, and processes needed to support significant long-term growth. Throughout his career, Greg has led high-performance teams across some of Canada's most complex high-rise residential and commercial projects, with a track record of scaling businesses, turning around underperforming operations, and driving consistent margin improvement through operational discipline. He is a recognized innovator in the application of emerging technologies to construction workflows — deploying AI, 3D parametric automation, and Lidar scanning to drive measurable improvements in quality, efficiency, and project outcomes. As a practitioner at the intersection of building envelope performance and technology-driven construction, Greg brings a grounded, real-world perspective to the conversations at the heart of Building Lasting Change 2026. His experience demonstrates that sustainable building outcomes are achieved not just through design intent, but through the operational excellence, innovation, and leadership that bring those intentions to life on complex projects.