How do you take a challenger brand from number two and make it number one? And how do you do that with a relentless focus on positive behavior change?Those are the kinds of challenges that Mark DiMassimo and Lesley Bielby love to tackle at DiGo Brands, and over the past twenty years, they have elevated and re-energized numerous better-for-you brands, including Weight Watchers, Crunch Fitness, The Partnership to End Addiction, The Bronx Zoo, and Better Help, just to name a few.Wheth...