Billionaire investment guru Warren Buffett will help fundraise for President Obama's reelection campaign at two fundraising events in Chicago and New York respectively.


According to Crain's Chicago Business, Buffett will attend the Oct. 27 Chicago fundraising event alongside a number of major Chicago donors, including former Obama campaign national finance chairwoman Penny PritzkerPenny Sue PritzkerThe Hill's Morning Report - Sanders steamrolls to South Carolina primary, Super Tuesday Biden's new campaign ad features Obama speech praising him Obama Commerce secretary backs Biden's 2020 bid MORE, a longtime Obama supporter and fundraiser; and John Rogers Jr., another early Obama campaign backer.

Buffett will also be featured at a Democratic National Committee fundraiser in New York in late September.

Lately, Buffett's name has increasingly come up in relation to the Obama administration. He wrote a New York Times op-ed in which he argued that the effective tax rate for his income bracket should be higher.

Obama also dubbed a proposal to raise taxes on the wealthy as part of his $447 billion jobs creation legislation the "Buffett Rule." Buffett said he was asked by the administration and approved including his name in the provision's title.