1. Ocular Trauma Division, Staff Scientist US Army Institute of Surgical Research, Joint Base San Antonio, USA
2. Ocular Trauma Division, Engineer US Army Institute of Surgical Research, Joint Base San Antonio, USA
3. Ocular Trauma Division, Research Technician US Army Institute of Surgical Research, Joint Base San Antonio, USA
4. Former Director Ocular Trauma Division US Army Institute of Surgical Research, Joint Base San Antonio, USA