Charles Teague is the CEO and cofounder of FitNow, the makers of LOSE IT!
Anahad O'Connor is a health and science reporter for the NEW YORK TIMES, with a weekly column in the Tuesday Science section. He is also the author of the bestselling health book NEVER SHOWER IN A THUNDERSTORM and THE WORLD WE LIVE IN, it's follow-up book ALWAYS FOLLOW THE ELEPHANTS, and co-author (with Dave Lieberman) of THE 10 THINGS YOU NEED TO EAT. Anahad has appeared on NPR, GOOD MORNING, AMERICA, and THE MARTHA STEWART SHOW.