Utilize the input text as a context reference, choose the right relationship between 'Berkshire Hathaway' and 'Warren Buffett' from the options.
Options: chief executive officer, owned by, stock exchange, owner of

View photo A Berkshire Hathaway shareholder poses with a likeness of Berkshire CEO Warren Buffett at the shareholder's shopping day in Omaha, Nebraska May 1, 2015.
owned by