Dr. Pearl is a Research Scientist in the Environmental Health Investigations Branch of the California Department of Public Health (CDPH). She received her MPH and PhD in epidemiology from the University of California, Berkeley.  Dr. Pearl's work focuses  on social and environmental exposures during pregnancy, including neighborhood poverty, tobacco smoke, vitamin D, and endocrine disrupting chemicals. Her current research explores multigenerational effects of smoking and air pollution on maternal health, birth outcomes and childhood autism in subsequent generations, and implications for persistent health disparities.

Dr. Kimberly Berger is an environmental epidemiologist with the Sequoia Foundation whose work focuses largely on childhood health outcomes related to prenatal exposure to environmental factors such as personal care products, plastics, tobacco smoke, and air pollution.

Martin Kharrazi, Ph.D., M.P.H., is a Principal Investigator with the Sequoia Foundation, La Jolla, CA. He recently retired as Research Scientist Supervisor with the California Department of Public Health Environmental Health Investigations Branch, where he was Chief of the Environmental Epidemiology Section. During his 31-year tenure at CDPH, Dr. Kharrazi led the development of the California Biobank Program and multiple epidemiologic investigations. Dr. Kharrazi received graduate degrees in epidemiology from UCLA in 1981 and from Columbia University in 1990. He is the Principal Investigator of PRECATO study.

Dr. Windham is a reproductive and environmental epidemiologist whose research focus has been on reproductive health and pregnancy outcomes, including how the prenatal environment contributes to children’s’ health and development including autism. She has led or collaborated on large epidemiologic studies examining the contribution of lifestyle and environmental factors, including tobacco smoke exposure, air pollution, pesticides and endocrine disruptors, to the occurrence of these outcomes. She formerly served as the Chief of the Epidemiological Investigations Unit in the Environmental Health Investigations Branch.