Jeff Schults and Rafael Davalos (IMAGE) Virginia Tech Caption Virginia Tech alumnus Jeff Schultz (left), co-founder of Phase Inc., and Rafael Davalos, the L. Preston Wade Professor of biomedical engineering and mechanics (right). Credit Phase Inc. Usage Restrictions No restrictions. License Public Domain 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.