Sue Desmond-Hellmann is using precision public health — an approach that incorporates big data, consumer monitoring, gene sequencing and other innovative tools — to solve the world’s most difficult medical problems. 

It’s already helped cut HIV transmission from mothers to babies by nearly half in sub-Saharan Africa and now it’s being used to address alarming infant mortality rates all over the world. 

The goal: to save lives by bringing the right interventions to the right populations at the right time.