Originally hailing from Staten Island, New York, Best attended Harvard University from 1993 to 1997 and received a bachelor's degree in cognitive neuroscience (joint concentration in psychology and biology). In the years spanning 1999 to 2005, she completed her doctoral training in adult clinical psychology with an emphasis in health psychology at the University of Southern California.
From 2004 to 2005, she obtained her pre-doctoral clinical internship training experiences through the Duke University Medical Center's Health Psychology program in the Division of Medical Psychology.
In 2005 she began her two-year post-doctoral training in clinical intervention research focusing on the treatment of obesity and related eating and metabolic disorders at Duke Integrative Medicine. She is currently continuing her post-doctoral fellowship in conjunction with having recently been appointed as a member of the clinical faculty in the Department of Psychiatry and Behavioral Sciences at Duke.
