Phoebe Knatchbull is a specialist in health and behavior change communications, dedicated to advancing global health, sustainability and social impact. She has led high-profile campaigns across the public, private and philanthropic sectors—including work with the Gates Foundation, WHO Foundation, Mars Food & Nutrition, Foundation S and multiple UK Government departments—shaping narratives that drive action and influence policy. From leading the UK’s most successful vaccination program to launching the country’s first government-backed mental health campaign, Phoebe is passionate about communications that make a difference.