Chris is a research oncologist who spent much of her career prior to her federal retirement at the National Cancer Institute (NCI) at the National Institutes of Health (NIH). Currently, she works as a consultant to companies involved in developing new effective cancer screening tests. In her capacity as Chief of the Early Detection Research Group, Division of Cancer Prevention, NCI, NIH, she oversaw the National Lung Screening Trial (NLST), the Prostate, Lung, Colorectal and Ovarian Cancer Screening (PLCO) Trial and the PLCO biospecimen repository. The NLST documented a 20% decrease in lung cancer specific mortality from three rounds of low-dose computerized tomographic screening. This led to insurance coverage of screening and Medicare coverage as well. Dr. Berg earned a Bachelor of Science from Northwestern University and a Doctor of Medicine from Northwestern University’s Medical School. She is certified in Therapeutic Radiology by the American Board of Radiology, and Medical Oncology and Internal Medicine by the American Board of Internal Medicine. Dr. Berg is widely published and has received numerous awards for her work. In addition to her passion for oncology research, Dr. Berg is a staunch supporter of climate crisis amelioration and adaptation. Dr. Berg is adamant about the scientific process and scientific evidence and strives to find the truth through research which should be an approach applied to the climate crisis. Joined the Board in 2020.