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 ...
Nets owners Joe Tsai and Clara Wu Tsai have agreed to sell a 15% stake in BSE Global — the team’s parent company — to Julia Koch and her children, according to a report from Scott Soshnick ...