Diego Costales is a Climate & Sustainability Consultant with a background in Chemical Engineering. They have served as a Senior Climate Change & Sustainability Consultant at EY since 2025 and are currently an Independent Sustainability Strategy Consultant, advising organizations on decarbonization and sustainable finance. Diego also founded AP Elemental, where they led STEM and sustainability education for over 130 students. Their prior experience includes roles as a Business Analyst at Galera and an EHS Engineering Intern at GENVAMEX, where they focused on environmental compliance and process redesigns. Diego studied Chemical Engineering at Tecnológico de Monterrey and participated in an international exchange program at The University of Texas at Austin.
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