Steve Badillo is a touring pro skater and operates Skatelab Summercamp in Simi Valley, California. He is the coauthor of Skateboarder's Start-Up: A Beginner's Guide to Skateboarding and Skateboarding: New Levels: Tips and Tricks for Serious Riders. His stunts have appeared in national ad campaigns, in music videos for bands such as Limp Bizkit, and on the MTV show Becoming Pink. He lives in Ventura, California. Doug Werner is the author of 15 books on sports and fitness, including the books in the Start-Up Sports series. He lives in San Diego, California.