Professor Ball leads a research program focused on improving population nutrition and physical activity behaviours and reducing socioeconomic inequities in health. Her research has informed state and national prevention agendas and community-based programs that have improved health behaviours and reduced chronic disease risk. By age 35 she had already served in key leadership positions for national and international bodies including as President of the leading professional society in her discipline, the International Society for Behavioural Nutrition and Physical Activity. She mentors many early career researchers nationally and internationally, and is particularly active in mentoring and advocating for women researchers.