4-Time Paralympian, 2 x Silver Paralympic Silver Medalist, and 3 x Gold Medalist X-Games Tyler Walker joins us on Nametags Chat! Walker was born with lumbar sacral agenesis, a condition that resulted in his spine missing after the first vertebra; he had both legs amputated at the knee at age four...He grew up skiing in adaptive programs at Waterville Valley and Loon Mountain, eventually joining the New England Disabled Ski Team. At just 19, he was the world cup overall runner-up for giant slalom. A year later, he earned his first trip to the Paralympic Winter Games and captured the giant slalom overall world cup title.