William Koch

News About William Koch

Sotheby's will auction what may be the most valuable wine collection ever to come to market.

By Alexandra Tremayne-Pengelly

The market for Impressionist and Modern Art isn't in trouble just yet.

By Alanna Martinez

Bill Gates and former United Nations Secretary General Kofi Annan are among the friends of Rajat Gupta who have penned

By Patrick Clark

By Tim Keary

By Mark Lehmann and Kris Reddaway

By Dan Duray

By John Scott Lewinski

By Emily Zemler

By Elisa Carollo