It was Gandhi who helped clinch the firm's first deal with one of Mumbai's biggest developers--Boman Irani, chairman of the Keystone Group.

FORBES: Hall Monitors

Carton points to two cases: (1) the case filed yesterday against Richard Hansen of Keystone Equities Group, and (2) a case from ten years ago in which a CEO shared confidential information with an adult-film star who, unsurprisingly, was sharing things with other people as well.

FORBES: Do Not Trust the Mistress

In 2008, Keystone convened a group of 40 food executives, academics, health advocates and government officials to develop the program's nutrition guidelines.

FORBES: Magazine Article

Group purchased Keystone Foods, a major supplier of meat to McDonald's Corp.

WSJ: First Bud, Now Heinz, Brazilian Deal Maker Lemann Grabs Brands