Kristie Naha-Biswas joined Karo Healthcare just over a year ago with a clear but sizable brief: transform the media model of a global business built on intensely-local brands, without the budget advantages enjoyed by bigger competitors. As Global Head of Media and Digital Marketing, she spoke to New Digital Age about retail media, the influencer shift toward healthcare experts, the GEO opportunity, and why "bold and badass" is more than just a meeting room slogan.