Don is a Computer Engineer with 23+ years in IT. Currently, Don works as a senior systems engineer for Hewlett Packard. He also has experience in IT network, storage and high-performance computing verticals. For several years, Don was a Technical Instructor for Cisco Systems, teaching routing, switching, and network design classes for enterprise companies such as AT&T and Sprint. Don has 10 years experience installing, troubleshooting, and designing High-Performance Computing Clusters for Universities such as UNC at Chapel Hill, University of Oklahoma, UC at Berkeley, MIT, Columbia University as well as companies like NASA JSC, Sandia National Labs, and the National Center for Supercomputing Applications(NCSA).