Warren Buffett has stepped down as Berkshire chairman. Here are 5 leadership lessons he leaves behind.

Warren Buffett's decades leading Berkshire Hathaway yielded numerous lessons, including learning from mistakes. Nati Harnik/AP This week, the Oracle of Omaha gave up his job of chairman of Berkshire Hathaway. After decades at the top, Warren Buffett leaves a legacy of leadership advice. He has emphasized the importance of self-improvement, honesty, and choosing the right leaders. If you want to be a high-mileage leader like Warren Buffett, it pays to be humble. The Oracle of Omaha this week gave up the job as chairman of Berkshire Hathaway, after more than half a century spent building and then running the conglomerate. Buffett said his son Howard would succeed him as chairman. In that role, his son will guard Berkshire's culture and values, which the elder Buffett said are "worth more than anything on our balance sheet."