Will Castillo was born in Colombia, South America and immigrated to the United States when he was five years old, living in Queens, New York. After 9/11, Will joined the US Army and served for ten years, including two deployments. The vehicle he was riding in was struck by an IED killing the driver and gunner. Will lost a leg, developed a traumatic brain injury and experienced Post Traumatic Stress. After depression and drugs, Will was introduced to the sport of para bobsled. As part of Team USA, he has won three national championships, two third place finishes at the World Cups in Germany and Lake Placid and 2022-2023 overall World Champion.