The founder of Starbucks shares his untold personal story - from his childhood in Brooklyn's housing projects to his rise as a business icon - and lays out his vision for how companies can improve their social impact.

Follow a pioneer's journey from factory floor to CEORoad to Power is the story of how Mary Barra drove herself to the pinnacle of a company that steers the nation's wealth. Beginning as a rare female electrical engineer and daughter of a General Motors die maker, Barra spent more than thirty...