Centers for Disease Control and Prevention (CDC). An internationally recognized expert and leader in the field of childhood lead poisoning prevention, Dr. Brown has provided her expertise to health officials in the U.S., China, Kosovo, and Nigeria, among others. She also works regularly with other U.S. public health agencies, such as the Environmental Protection Agency (EPA) and Department of Housing and Urban Development (HUD) and organizations like the World Health Organization (WHO) and Doctors Without Borders. She has published more than 100 peer reviewed articles, commentaries, and policy documents.