But let’s go back to 1999. When Roberts started working for PSI, she quickly realized that she would face several challenges: she was young, she had little background in public health, she had never worked for an NGO and she had just moved to the . where the working culture was very different than in Europe. Although she could see the applicability of her marketing skills at PSI, she was fundamentally an outsider in the highly technical and research-driven public health world. A few weeks into the job, it was pretty clear that while she was inspired by the.