Kari Nadeau, MD, PhD, is the Chair of the Department of Environmental Health at Harvard School of  Public Health where she is also the John Rock Professor of Climate Science and Population Studies. She is  Professor of Medicine at Harvard Medical School and works at the Beth Israel Deaconess Medical Center.  She also runs a laboratory and has published over 400+ papers, many in the field of immunology, and  allergies and asthma, and climate change solutions. For more than 30 years, she has devoted herself to  understanding how environmental and epigenetic factors affect the risk of developing immune  dysfunction. Her wet lab laboratory has been studying exposomics and solutions-facing research with  policy-oriented outcomes. She started 4 biotech companies, co started a sustainability seed grant  program, and works with the WHO and UN on several projects in environmental and global health. She is  the author of The End of Food Allergy and the book is available in eleven languages. Nadeau earned her  MD/PhD from Harvard Medical School in 1995, completing her doctoral work in biochemistry, followed  by a pediatric residency, and fellowship in Allergy, Asthma, and Immunology, and then joined the  Stanford faculty where she was the Naddisy Professor of Medicine and Pediatrics until 2022. She joined  Harvard in January 2023. She is an adjunct Clinical Professor at Stanford in the Department of Pediatrics.  She is part of the Harvard Medical Faculty Practice and practices Allergy, Asthma, and Immunology in  children and adults at the BIDMC.