The focused leader who knows one big thing at least stands a chance of turning around even the largest organization: One big message, driven home relentlessly, can get through. Betsy DeVos’s one ...

Education secretary Betsy DeVos reportedly has a net worth close to $1.3 billion. DeVos shares the fortune with her husband, Richard DeVos Jr., the son of billionaire Amway cofounder Richard DeVos.