The Brazil-born Facebook co-founder, Eduardo Saverin, renounced his U.S. citizenship last year and is now a permanent resident of Singapore. Saverin's move could save him $67 million in federal taxes, according to data compiled by Bloomberg.
Eduardo Saverin, 30, has a $2.7 billion estimated fortune. He owned about 4 percent of the company's outstanding shares prior to the offering, according to whoownsfacebook.com, which is published by Massinvestor Inc. and draws its information from Facebook's filings with the SEC, press releases, news reports and other publicly available sources.
Saverin declined to discuss his stake in a telephone interview from his home in Singapore.
"I am obligated to and will pay hundreds of millions of dollars in taxes to the United States government," he said in May 17 statement.