Dr. Joseph G. Allen is an assistant professor at the Harvard T.H. Chan School of Public Health and co-author of Healthy Buildings: How Indoor Spaces Drive Performance and Productivity, with John Macomber at Harvard Business School. He began his career conducting forensic health investigations of sick buildings. At Harvard, Dr. Allen directs the Healthy Buildings program where he created ‘The 9 Foundations of a Healthy Building’. He works with Fortune 500 companies on implementing Healthy Building strategies in their global portfolios and presents internationally on the topic of Healthy Buildings. His work has been featured widely in the popular press, including the Wall Street Journal, National Geographic, Financial Times, USA Today, NPR, The Washington Post, Fortune, New York Times and Harvard Business Review. Dr. Allen is an Associate Editor of the Journal of Exposure Science and Environmental Epidemiology and Indoor Air.