Bill Stone, chief investment officer at Glenview Trust, has attended 20 Berkshire Hathaway annual shareholder meetings in Omaha, Nebraska. A longtime Warren Buffett disciple and a Berkshire shareholder since 1999, Stone’s own investing style has been inspired by the “Oracle of Omaha” — a value-oriented approach with an emphasis on the so-called margin of safety. “You look at stocks, not as pieces of paper, but as businesses,” he said in CNBC’s latest Pro Talks . “Can they withstand competition? Can they continue to earn these profits? Can I possibly forecast that they’ll continue to earn these profits?” Ahead of this year’s “Woodstock for Capitalists” Saturday, Stone shared what he’s learned from Buffett’s investing philosophy and what he expects from the annual meeting without the late Charlie Munger. Stone joined CNBC’s Senior Markets Correspondent Dominic Chu and CNBC’s Markets Reporter Yun Li in a special Pro Talks conversation to discuss: How Stone’s start on Wall Street coincided with Buffett’s time at Salomon Brothers Buffett and Munger’s life lessons on Stone’s professional and personal life How Stone became a Berkshire shareholder and his experience in Omaha over the years How Munger’s passing put the spotlight on Berkshire’s succession plan For more of Stone’s insight on Buffett’s latest picks and investing strategies, PRO subscribers can check out the rest of the chat here .