Tamara Hughes Gustavson is an American billionaire.Tamara Gustavson is the daughter of B. Wayne Hughes, the founder and chairman of Public Storage, a self-storage company. She is the largest shareholder with 11% of the company and as of 2014, an estimated net worth of $4 billion.In 1983, she graduated from the University of Southern California with a BS degree in public affairs.Since 2008, she has been a board director of Public Storage.