About David Davis

David Davis is Director of Infrastructure at Train Signal – the global leader in video training for IT Pros. He has a number of certifications including vExpert, VCP, CCIE #9369, MCSE, CISSP & CEH. Additionally, David has authored hundreds of articles and six different video training courses at Train Signal with his most popular course being VMware ESX Server. His personal websites are HappyRouter.com and VMwareVideos.com. You can follow David on Twitter or connect with David on LinkedIn.