Mark's legendary oratory skills stem from a gig as a Cisco technology instructor. He writes well, too, having penned four books on Cisco's networking technologies. Cisco really likes him and designated him one of the first partner Technology Solution Specialists nationwide. And he holds double CCIE certs, so he's pretty sharp.

Mark is responsible for figuring out what's important for our customers before they've even heard of it. In his spare time, Mark uses Twitter and GPS technology to track down the best food carts in the Bay Area. You can follow him at twitter.com/mmcgregor.