Erin S. Calipari is at Vanderbilt University School of Medicine, USA Dr Nicholas Gilpin completed his undergraduate training in Psychology at University of Texas at Austin, and his Ph.D. in Psychobiology at Indiana University-Purdue University at Indianapolis. During graduate training, he worked with genetic models of susceptibility to alcoholism. He went on to complete a post-doctoral fellowship in the labs of Drs. George Koob and Marisa Roberto at The Scripps Research Institute in La Jolla, CA, where he used behavioral pharmacology & electrophysiology techniques to explore neural and behavioral dysregulation associated with alcohol dependence. He remains interested in questions of addiction, and is especially interested in understanding why and how alcohol addiction is co-morbid with addiction to other drugs and other psychiatric conditions. His interests also include questions related to subpopulations of addicts and individual differences in propensity to consume alcohol and drugs.