Rank: 2
Bernard Tyson
Chairman and CEO, Kaiser Permanente
Tyson died from a heart attack in November. Under his leadership as Kaiser's first black CEO, the system's rolls grew 32% from 9.3 million to 12.3 million members, and from $53 billion to $82.8 billion in annual revenue, up 56%. And he pushed the industry to address such issues as mental health and social determinants.