About the Author

Mike Schultz won gold and silver medals in snowboarding at the 2018 Winter Paralympics in Pyeongchang. He has won numerous X Games medals in motocross, snocross, snowbike, and snowboarding. Schultz is the founder of BioDapt, engineering durable and versatile prostheses for athletes and military veterans around the world.

Matt Higginshas written forThe New York Times,The Village Voice,Popular Mechanics,Outside, andESPN.com. He is the author ofBird Dream: Adventures at the Extremes of Human Flight(Penguin Press, 2014) which was a 2015 longlist selection for the PEN/ESPN Award for Literary Sportswriting.

David Wise is a freestyle skier who has won two Olympic gold medals (in 2014 and 2018) and four X Games gold medals. He is a halfpipe world champion.