Mark comes to us from the worlds of publishing and marketing. He has authored 11 published books, including two Book-of-the-Month Club selections, and his byline has appeared in magazines as diverse as The Atlantic and Rolling Stone. Mark enjoys being outside and belongs to the hardy band of fellows who play tennis outdoors year-round - even when clearing the court requires a snow shovel. He is also an avid squash player, hiker, and body-surfer. ...