Mark Weinhardt, MCSE, has worked in various aspects of the computing industry for more than 20 years. With a background in military communications, Mark understands the importance of maintaining a reliable and secure infrastructure and has preserved that mentality with his transition to the private sector. Mark worked as a consultant with Convergent Computing for more than 11 years and is currently a senior exchange engineer at Yahoo! Inc., working with a fantastic team. With an infectious enthusiasm for technology, Mark has performed Windows and Exchange designs and implementations for companies throughout Northern California.