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.

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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Marissa Rainbolt Portrait

Marissa Rainbolt, MPH

Vice President

Marissa Rainbolt 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. 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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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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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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Natalie Daranyi Portrait

Natalie Daranyi, MPH

Health Scientist

Natalie Daranyi is a Health Scientist for 9 Foundations, Inc. Natalie has professional experience in the public and private sector assessing regulatory compliance, conducting risk assessment, facilitating root cause analysis, and managing workplace safety programs.

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Katie Giasullo Portrait

Katie Giasullo, MBA

Director of Operations / Executive Assistant

Katie Giasullo is the Director of Operations and Executive Assistant to Joseph Allen. She has professional experience in administrative work over the past ten years, working with executives and teams to manage day to day business operations.

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Sarah Pappas Portrait

Sarah Pappas, MLA

Director of Communications

Sarah Pappas is Director of Communications. She manages external and internal communication strategy, including audience engagement, message dissemination, and business growth. Sarah earned her B.S. in Communication and M.L.A. from Boston University.

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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.

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Carl W. Howell, M.S. Portrait

Carl W. Howell, M.S.

Strategic Advisor

Carl W. Howell has over two decades of experience in the non-for-profit sector dedicating his career to mitigating the impacts of poverty and the disparities across social determinants of health.

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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.

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