Julia Koch, the widow of billionaire industrialist David Koch, has sold her duplex at the exclusive Manhattan co-op 740 Park Avenue for $45 million, according to property records. The Kochs paid ...

David was executive vice president of Koch Industries ... were well known as conservative political donors, and their family has spent hundreds of millions of dollars on real estate from ...

The Smashing Pumpkins rocker has joked about having his wife interview him for his new podcast, 'The Magnificent Others' ...

David “Kochie” Koch has weighed in on the state of play for Australia, throwing a few jabs at Donald Trump in the process. The veteran finance guru pointed out the unfortunate truth that while ...