Warren Buffett is the Founder and serves as President, Chairman and Chief Executive Officer at Berkshire Hathaway. He also served as Board Member at Kraft Heinz. He formerly served as the Board Member and Chairman as well. He also serves as the Board Member at The Bill and Melinda Gates Foundation and Mclane. Buffett holds over 43 years of experience as Chairman and Officer of publicly traded and private companies, providing the board of directors with a strong background in finance, investing and other complex subjects. Buffett has pledged all of his Berkshire shares, representing 99% of his net worth, to philanthropic endeavors.