Warren Bickel, Virginia Tech (IMAGE) Virginia Tech Caption Warren K. Bickel is a professor and director of the Center for Substance Abuse at the Virginia Tech Carilion Research Institute in Roanoke, Va. Credit Virginia Tech photo Usage Restrictions The photo may be used when discussing or reporting research by Dr. Warren Bickel. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.