David Sylvester is the author of “Traveling at the Speed of Life,” a self-published account of this travels across North America (twice), Africa, and Asia by bicycle. David’s story begins with the loss of his childhood friend and mentor during the collapse of the Twin Towers in New York City on September 11th, 2001. David channeled his grief into a personal mission to cycle across the United States to raise money for the scholarship fund to honor his friend. Like many who cycle across the country, David returned a changed person. His adventures have become his brand and career—the big man on the bike who shares hugs and stories.