Warren Buffett is the CEO of the Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) holding company, where he helps manage a $287 billion portfolio of stocks, in addition to numerous privately held subsidiaries. Buffett invests in companies with steady growth, reliable profits, and strong management teams. Berkshire invested in a cloud computing company called Snowflake (NYSE: SNOW) in 2020.