Professor Carol Maher is a leading Australian researcher in digital and lifestyle health, consistently ranked in the top 1–2% of researchers globally. She conceived and leads the Activated OSHC program, Australia’s largest initiative to improve children’s physical activity and screen time in Outside School Hours Care, supporting a system attended by more than 500,000 children each week. She is a global authority on wearable activity trackers and digital health interventions, a WHO/UNESCO co-author, and a contributor to national and WHO physical activity guidelines. She is widely recognised for strong government partnerships and an equity-focused approach.