R. Andrew Chambers is an Addiction Psychiatrist and Professor at the Indiana University School of Medicine in Indianapolis. Since graduating from Duke Medical School and Yale Psychiatry programs, he has conducted pioneering work in understanding the developmental neurocircuitry interlinking addiction and mental illness and translating this science to professional training and clinical practice. Dr Masterson is dual board-certified in General and Addiction Psychiatry from Indiana University and works as Associate Medical Director of Addiction Services at Linden Oaks Hospital in Naperville, Illinois. He is interested in how our hijacked motivations cause physical and mental illness via substance use, social media, improper nutrition, etc.