He has more than 20 years of computer experience with both small and large organizations. He authored the MCDST Guide to Supporting Users and Troubleshooting Desktop Applications on Microsoft Windows XP Operating Systems, and he co-developed the Guide to Parallel Operating Systems with Heidi Webb and Terrill Freese. Professor Carswell holds a BBA from the University of Texas and an MBA from Baylor University. He also received the A+, N+, CTT+, MCSA, MCSE and MCDST certifications. See less