David Koch, a billionaire industrialist who has been an influential force in conservative politics since the 1980s, has died at the age of 79.

Americans for Prosperity’s surviving founder, the oil and manufacturing billionaire Charles Koch — who co-created the group with his late brother, David Koch — has made his aversion to Trump ...

Julia Koch is the widow of late billionaire and major political donor David Koch, and the deal is believed to value BSE at $6 billion.

Julia Koch—the widow of billionaire David Koch—and her three children are looking to purchase a 10% stake in the Nets, leaving Tsai in control, sports business site Sportico reported Thursday ...

For about two decades, Americans for Prosperity, the conservative political network, has poured hundreds of millions of dollars into stalling climate action nationwide. Founded by Charles and David ...

A super PAC affiliated with billionaire businessman Charles Koch and his late brother, David Koch, has spent roughly $160 million this election cycle boosting Republicans, records show. The ...

David Koch, 74, of Bethlehem, died on Wednesday, December 5, 2012 after a noble battle against Leukemia. He was born June 2, 1938 in Bethlehem; son of the late Frank and Mildred (Pearson) Koch. He … ...

David Koch speaks at the Defending the American Dream summit in 2015. He and his brother Charles lead a conservative political network that plans to spend hundreds of millions of dollars on the ...

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.

“David McCormick may have the support of the Koch network and his Wall Street billionaire backers, but Sen. Casey has the support of working people all across Pennsylvania,” said Kate Smart, a ...