David Koch , one of America 's richest businessmen and largest political donors , says he is just fine with giving money to candidates who hold different social views than he does because its his economic concerns that matter most . `` I 'm basically a libertarian . And I 'm a conservative on economic matters and I 'm a social liberal , '' he told ABC 's Barbara Walters in an interview that aired on `` This Week . '' Koch , who supports gay rights and women 's right to choose , said if candidates he gives to do n't share those ideals , `` That 's their problem . I do have those views . '' `` What I want these candidates to do is to support a balanced budget , '' Koch said . `` I 'm really focused intensely on economic and fiscal issues , because if those go bad the country as a whole suffers terribly . '' Koch and his brother , Charles , are top executives and board members of Koch Industries , a multinational corporation that is largely involved in manufacturing , energy , trade and investments . Collectively , the Koch brothers have spent millions of dollars of their personal wealth to promote a small government , free-market agenda . Often criticized by Senate Majority Leader Harry Reid , a Democrat , for his vast campaign spending , Koch said he plays fair and by the rules of the game . `` I contribute to public candidate campaigns and there is a federal limit on how much you can contribute to each individual candidate , '' Koch said . `` They have a law in that regard and I feel that I 'm doing it properly . Who are the Koch brothers ?
David Koch is pro-choice and supports gay rights , but not Democrats . Koch is one of the country 's top political donors and gives largely to Republicans . He has donated millions in support of Republican candidates for president over the years.