He holds a degree in Math Education from the University of Georgia and taught high school math for three years before joining IBM. His areas of expertise include IBM Connections, Domino Portal Integration and WebSphere Portal. Charlie has written numerous white papers, presented at IBM and Portal technical conferences, and co-authored redbooks WebSphere Portal Collaboration Security Handbook, Sametime 7.5.1: Best Practices for Enterprise Scale Deployment and a redwiki, Creating Integrated Web Experience with IBM Lotus collaboration software.