Warren Edward Buffett is an American businessperson who has been at the head of 6 different companies. Presently, Mr. Buffett occupies the position of Chairman & Chief Executive Officer of Berkshire Hathaway, Inc. and Chairman & Chief Executive Officer for Berkshire Hathaway Life Insurance Company of Nebraska, Chairman & Chief Executive Officer for General Reinsurance AG, Chairman & Chief Executive Officer for Berkshire Hathaway Assurance Corp., Chief Executive Officer at Berkshire Hathaway, Inc. (Investment Management) and Manager of Burlington Northern Santa Fe LLC (which are all subsidiaries of Berkshire Hathaway, Inc.). Mr. Buffett is also Trustee at Bill & Melinda Gates Foundation Trust, Principal at West End Capital Management (Bermuda) Ltd. and Member of American Academy of Arts & Sciences and on the board of 5 other companies. Mr. Buffett previously was Chairman of Justin Brands, Inc. Mr. Buffett received an undergraduate degree from the University of Nebraska and a graduate degree from The Trustees of Columbia University in The City of New York.