Research Materials

Joseph Allen, DSC, MPH, CIH

Director of the Healthy Buildings Program

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Dr. Joseph G. Allen is an associate professor at the Harvard T.H. Chan School of Public Health, director of Harvard’s Healthy Buildings Program, and co-author of Healthy Buildings: How Indoor Spaces Can Make You Sick—or Keep You Well. Dr. Allen serves on Harvard’s Presidential Committee on Sustainability, he keynoted the White House’s first-ever Indoor Air Quality Summit, and during the COVID-19 pandemic, served as Commissioner of The Lancet COVID-19 Commission and Chair of its Safe Work, Safe Schools, and Safe Travel Task Force. In 2023, Allen was featured on the 60 Minutes episode, The Air We Breathe, spotlighting the value of healthy indoor air quality for virus mitigation. He has authored over 100 peer-reviewed scientific papers and regularly contributes to the New York Times, Washington Post, and Harvard Business Review.

Gadea Aguado Sierra

Master's Student with the Healthy Buildings Programs

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Gadea is a Master of Science candidate in Environmental Health at the Harvard T.H. Chan School of Public Health. Her work focuses on healthy building design and the integration of health-centered strategies into urban development. She previously served as an Associate at a real estate investment firm, where she implemented a customized framework to promote healthy indoor environments. She also led the development and rollout of health-driven programs and initiatives across the building portfolio. Gadea holds both a BA and MA in Architecture from Universidad CEU San Pablo and an MBA from the University of Oxford. While at Oxford, she worked as a Venture Consultant, evaluating target markets for a startup specializing in energy efficient building materials.