Dr. Parker co-directs the Program on Global Sustainability and Health at the Johns Hopkins Bloomberg School of Public Health and directs the undergraduate major Global Environmental Change and Sustainability. She was recently appointed Associate Director of the Johns Hopkins Environment, Energy, Sustainability and Health Institute (E2SHI), a new university-wide institute formed to facilitate, coordinate, and motivate interdisciplinary projects focusing on research, education, policy, and practice the environmental and health aspects of topics such as climate change, energy, and global environmental sustainability. She holds joint faculty appointments in the Environmental Health Department at the Johns Hopkins Bloomberg School of Public Health and in Earth & Planetary Sciences at the Krieger School of Arts and Sciences. As part of her work to educate the public and policy makers about the health effects of global climate change, she is a frequent speaker on the topic and in 2008 co-authored the book Climate Chaos: Your Health at Risk, published by Praeger.
Dr. Parker received her MD from the University of Arizona and her Masters in Public Health from Johns Hopkins Bloomberg School of Public Health. She is board certified in Public Health and General Preventive Medicine and is a Fellow of the American College of Preventive Medicine where she is Chair of the Environmental Health Committee. She also serves on the National Board of Directors for Physicians for Social Responsibility and the Board of Directors for the Chesapeake Climate Action Network.