These are some of the fundraisers who have raised more than $500,000 for Barack Obama's presidential campaign:

Jeffrey Katzenberg: Chief executive of DreamWorks Animation. Made almost $1 million in political donations over the past decade.

Alan D. Solomont: Health care investor in Boston and former Democratic National Committee finance chairman. Made almost $1.3 million in political donations since 1997.

Orin Kramer: Hedge-fund executive in New Jersey. Made about $1 million in political contributions over the past decade.

Thomas J. Perrelli: Lawyer at Jenner & Block in Washington who worked in Bill Clinton's administration. Registered as lobbyists as recently as 2005.

Robert Wolf: President of UBS Investment Bank. Fundraiser for John Kerry's 2004 bid.

Eileen Chamberlain Donahoe: Kerry fundraiser and visitng scholar at Stanford. Wife of John Donahoe, chief executive of eBay.

NEW YORK TIMES