Healthy Buildings.Built on Science.

Now more than ever, the world is aware of how the indoor environment influences our health. Are your buildings ready for the new norm?

At 9 Foundations, we drive cutting-edge research into practice with customized healthy buildings solutions and support.

With our strategic advising, the people in your building will join the millions across the globe who work, live, and learn in spaces we’ve made healthier.


The 9 Foundationsof a Healthy Building

The 9 Foundations of a Healthy Building were created by a multidisciplinary team of experts from the Healthy Buildings Program at the Harvard T.H. Chan School of Public Health. The 9 Foundations are the core elements of healthy indoor environments, distilled into clear and actionable guidance, and designed to bridge the gap between scientific research and you — the people who control, manage and occupy buildings.

Meet the Healthy Building Experts

The team at 9 Foundations consists of leading experts in the science of healthy buildings. Our pioneering approach brings together best practices across diverse domains – including public health, business strategy, risk assessment, and commercial real estate- to offer customized guidance for every client.

Dr. Joseph G. Allen Portrait

Joe Allen, DSc, MPH, CIH

CEO / Founder

Dr. Joe Allen is an associate professor at the Harvard T.H. Chan School of Public Health, director of Harvard’s Healthy Buildings Program, and the coauthor of Healthy Buildings: How Indoor Spaces Drive Performance and Productivity.

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Linnea Champ Portrait

Linnea Champ, MPH

Health Scientist

Linnea Champ is a Harvard-trained health scientist who conducts research and analysis on all aspects of healthy buildings.

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Dr. Emily Jones Portrait

Emily Jones, PhD

Senior Health Scientist

Dr. Emily Jones is a Harvard- and Princeton-trained scientist with expertise in the fields of environmental health and environmental engineering.

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Marissa Van Ry Portrait

Marissa Van Ry, MPH

Health Scientist

Marissa Van Ry is a health scientist with experience in conducting public health research, implementing healthy building strategies, and leading EH&S public health and worker safety programs.

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Dr. James J. McDevitt Portrait

James McDevitt, PhD, CIH

Senior Health Scientist

Dr. James McDevitt has over 30 years of experience in the fields of environmental health and industrial hygiene, including with the U.S. Air Force and on faculty at Harvard, and serves as a diplomat of the American Board of Industrial Hygiene.

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Dr. Leslie Cadet Portrait

Leslie Cadet, MD, MPH

Medical Advisor

Dr. Leslie Cadet is a Harvard-trained, board-certified occupational and environmental medicine physician. Through a population health lens, she provides occupational and preventive medicine oversight to a wide array of industries.

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Maureen Ehrenberg Portrait

Maureen Ehrenberg, FRICS, CRE, LAI

Strategic Advisor

Maureen Ehrenberg is an internationally recognized expert, advisor, and board member on real estate business transformation, strategic redesign for the future of work, and facility management. She is CEO of Blue Skyre, Innovation in the Built Environment.

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Juliette Kayyem Portrait

Juliette Kayyem

Strategic Advisor

Juliette Kayyem is a Harvard Kennedy School Professor with over 20 years of experience managing complex policy initiatives and organizing major crisis responses, including as President Obama’s Assistant Secretary at the Department of Homeland Security, as the Massachusetts Homeland Security Advisor, and as a CNN national security analyst.

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Select Clients

The team at 9 Foundations has advised Fortune 500 companies, nonprofit organizations, and government agencies across major sectors of the economy. Our clients turn to us both for real-time guidance on building health crises and for custom, future-looking strategies for high-end projects and corporate offices. We've even advised on product research and development for new healthy building technologies that our clients are looking to bring to market.

Take a look — then see what we can do for you.

Explore a Full Suite of Healthy Building Services and Solutions

At 9 Foundations, we bring unmatched knowledge and experience to some of the most critical healthy buildings challenges.

Learn about our offerings, from healthy building design guidelines and monitoring protocols to strategic advisory and crisis support.

  • COVID-19 Response
  • Technology Evaluations
  • Legal Work
  • R&D Support
  • Construction & Renovation Advising
  • Trainings
  • Industrial Hygiene Services
  • Building Certification Support
  • Marketing & Communications Support
  • IEQ Program Gap Analysis
Demo Dashboard

Healthy Buildings Benchmark Dashboard

Every business tracks key performance indicators. But very few track what we call Health Performance Indicators, or HPIs. At a fundamental level, health drives human performance. This means that building performance is a critical metric that every business should be tracking.

Our building benchmark dashboard provides a science-based health assessment of your building portfolio and allows our clients to view recommendations and decide where to direct resources to have the greatest impact on health.

Our Science in the News