Steve Zim (Los Angeles, CA), a top Hollywood trainer, is the regular fitness expert on the Weekend Today show as well as the author of Hot Point Fitness (0738206032). He has many celebrity clients and has trained Jessica Biel, Ashley Judd, and Layla Ali, among others. Zim has appeared on Extra, Access Hollywood, and VH1 and is frequently featured in print media. Mark Laska (Coupville, WA) is a professional writer.