Warren Buffett's Berkshire Hathaway (BRK.A 0.40%) (BRK.B 0.48%) is one of the largest companies in the world -- it owns and controls dozens of companies in various industries ranging from railroads, energy, and even candy.

Historically, Warren Buffett has purchased companies and allowed them to continue to operate independent of his control. However, in 2013, Berkshire Hatahway teamed up with 3G Capital to purchase Heinz. In this deal, 3G took an active role shaking thing up at Heinz. Now, Buffett is looking to team up with them again.

In the following video, Motley Fool analysts Matt Koppenheffer and David Hanson discuss the lessons they learned from Warren Buffett while attending the annual Berkshire Hathaway shareholder meeting in Omaha, Nebraska. During the meeting, Warren Buffett and his business partner, Charlie Munger, took questions from shareholders for nearly 6 hours and provide their thoughts on everything from investing, corporate governance, and personal success. The discussion regarding the influence of Munger vs. Graham took center stage on several different occasions. Matt and David discuss why Buffett needed to switch to a more encompassing view of the investment world in order to be successful managing a massive conglomerate.