 Katzenbach Partners was founded in 1998 by former McKinsey & Company consultants Niko Canner, Marc A. Feigen, and Jon Katzenbach.At its largest, the firm employed over 150 consultants in four offices (New York City, Houston, Chicago, and San Francisco).The firm's most notable contributions were at the intersection of strategy and organizational performance theory, with significant research dedicated to social networks within companies and the importance of the informal organization.