Adrienne Abbate mobilizes stakeholders across sectors to tackle youth substance abuse in Staten Island.

Sarah Christie describes Project Last Mile, a multi-stakeholder partnership aiming to strengthen logistics and supply chains for essential medicines in Sub-Saharan Africa.

Dan Guisti, founder of Chef's Brigaid, tackles the public school food system.

Mark Huang, founder of SeaAhead, builds an innovation ecosystem to improve ocean sustainability.

Caroline Smith and Margaret Lee support local leaders building new businesses in New Haven.

Erik Wurster tackles inefficient markets in his fight for energy access.

Rebecca Hope and Theo Gibbs co-create youth health solutions through their design firm YLabs.

Melissa Mazzeo shares her adventures in building a circular economy with her start-up HandMeUp.

Susannah Burrage and Jake Harrison bring it home with their perspectives on business and society.

Ruchit Nagar and Mohammed Shahnawaz navigate the health care system to strengthen maternal child health in India.

Preethi Venkat, YSPH alumnae, leverages technology for rural development with Khushi Baby.

Doug Rauch, founder of Daily Table, tackles the food desert in inner cities.