David Wilkerson, Indiana University (IMAGE) Indiana University Caption This is David Wilkerson, an assistant professor in the IU School of Social Work and a member of the Facebook app research team. Credit IU School of Social Work Usage Restrictions None 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.