Mark Lauren is a military physical training specialist for the Special Operations community, a sought-after personal trainer to civilian men and women of all fitness levels, a triathlete, a champion Thai boxer, and the author of the internationally popular body-weight bible You Are Your Own Gym. He lives in Tampa, Florida.
 
Joshua Clark is the author of Heart Like Water: Surviving Katrina and Life in Its Disaster Zone, a finalist for the National Book Critics Circle Award. The founder of Light of New Orleans Publishing, he has edited such books as French Quarter Fiction; Southern Fried Divorce, Louisiana: In Words; and How You Can Kill Al Qaeda (in 3 Easy Steps). He is also a certified personal trainer, who has not set foot in a gym since Hurricane Katrina closed his fitness center.