CEO and Founder
Avant-garde Sustainable Solutions
Sumayyah Theron is a sustainability expert with 20+ years of experience in sustainable building design, project management and green building certifications, Sumayyah Theron oversees the development and execution of comprehensive carbon reduction strategies and counsels clients on sustainable practices, green building certifications and emerging trends. She was named to Engineered Systems’ “20 to Watch: Women in HVAC” in 2024 and was named a Green Building Initiative Advocacy Ambassador in 2023. She was also named 2024 Crain’s Chicago Business Notable Leader in Sustainability.