Co-founder of Facebook had to pay taxes.  He rescinded citizenship just before IPO when the assets were worth considerably less and just had to pay lower taxes.
He only became a US citizen as a teenager, so wasnt strongly attached to the US.
<a href="http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;articles&#x2F;2012-05-11&#x2F;facebook-co-founder-saverin-gives-up-u-s-citizenship-before-ipo" rel="nofollow">http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;articles&#x2F;2012-05-11&#x2F;facebook-c...</a>