A study identified 11 out of 1,435 companies that achieved stock returns at least 3 times higher than the market over a sustained 15-year period. The document recommends 6 ways for developing skills to become a level 5 leader, such as giving credit to others, seeing asking for help as a strength, being disciplined about work, developing people to their fullest potential, being passionate, and putting ego in its place. It also includes links to videos about Darwin Smith and William Hewlett & David Packard.