Elizabeth Blackburn, PhD, received the Nobel Prize in Physiology or Medicine in 2009 alongside two colleagues for their discovery of telomerase and telomeres' role in the aging process. She is currently president of the Salk Institute. Blackburn was elected president of the American Association for Cancer Research and is a recipient of the Albert Lasker Basic Medical Research Award, among many other awards. In 2007, she was named one of TIME magazine's 100 most influential people.

Elissa Epel, PhD, is a leading health psychologist who studies stress, aging, and obesity. She is the director of UCSF's Aging, Metabolism, and Emotion Center and is associate director of the Center for Health and Community. She is a member of the National Academy of Medicine and serves on scientific advisory committees for the National Institutes of Health, and the Mind and Life Institute. She has received awards from Stanford University, the Society of Behavioral Medicine, and the American Psychological Association.